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The Connecticut River is the longest river in the
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the Can ...
region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
, and discharges at Long Island Sound. Its watershed encompasses , covering parts of five U.S. states and one Canadian province, via 148 tributaries, 38 of which are major rivers. It produces 70% of Long Island Sound's fresh water, discharging at per second. The Connecticut River Valley is home to some of the northeastern United States' most productive farmland, as well as the Hartford–Springfield Knowledge Corridor, a metropolitan region of approximately two million people surrounding Springfield, Massachusetts, and Hartford, Connecticut.


History

The word "Connecticut" is a corruption of the
Mohegan The Mohegan are an Algonquian Native American tribe historically based in present-day Connecticut. Today the majority of the people are associated with the Mohegan Indian Tribe, a federally recognized tribe living on a reservation in the east ...
word ''quinetucket'', which means "beside the long, tidal river". The word came into English during the early 1600s to name the river, which was also called simply "The Great River". It was also known as the Fresh River, and the Dutch called it the Verse River. Early spellings of the name by European explorers included "Cannitticutt" in French or in English.


Pre-1614: American Indian populations

Archaeological digs reveal human habitation of the Connecticut River Valley for 6,000 years before present. Numerous tribes lived throughout the fertile Connecticut River valley prior to Dutch exploration beginning in 1614. Information concerning how these tribes lived and interacted stems mostly from English accounts written during the 1630s. The
Pequots The Pequot () are a Native American people of Connecticut. The modern Pequot are members of the federally recognized Mashantucket Pequot Tribe, four other state-recognized groups in Connecticut including the Eastern Pequot Tribal Nation, or t ...
dominated a territory in the southern region of the Connecticut River valley, stretching roughly from the river's mouth at
Old Saybrook, Connecticut Old Saybrook is a town in Middlesex County, Connecticut, United States. The population was 10,481 at the 2020 census. It contains the incorporated borough of Fenwick, as well as the census-designated places of Old Saybrook Center and Saybroo ...
, north to just below the Big Bend at Middletown, Connecticut. They warred with and attempted to subjugate neighboring agricultural tribes such as the Western Niantics, while maintaining an uneasy stand-off with their rivals the
Mohegans The Mohegan are an Algonquian Native American tribe historically based in present-day Connecticut. Today the majority of the people are associated with the Mohegan Indian Tribe, a federally recognized tribe living on a reservation in the east ...
. The
Mattabesset Mattabesset was a region and settlement once occupied by Algonquian language-speaking Native Americans called the Wangunk, along the Connecticut River. The Mattabesset River reaches the Connecticut River near Middletown, Connecticut. European sett ...
(Tunxis) tribe takes its name from the place where its
sachem Sachems and sagamores are paramount chiefs among the Algonquians or other Native American tribes of northeastern North America, including the Iroquois. The two words are anglicizations of cognate terms (c. 1622) from different Eastern Al ...
s ruled at the Connecticut River's Big Bend at Middletown, in a village sandwiched between the territories of the aggressive Pequots to the south and the more peaceable Mohegans to the north. The Mohegans dominated the region due north, where Hartford and its suburbs sit, particularly after allying themselves with the Colonists against the Pequots during the Pequot War of 1637. Their culture was similar to the Pequots, as they had split off from them and become their rivals some time prior to European exploration of the area. The agricultural
Pocomtuc The Pocumtuc (also Pocomtuck or Deerfield Indians) were a Native American tribe historically inhabiting western areas of Massachusetts. Settlements Their territory was concentrated around the confluence of the Deerfield and Connecticut River ...
tribe lived in unfortified villages alongside the Connecticut River north of the Enfield Falls on the fertile stretch of hills and meadows surrounding Springfield, Massachusetts. The Pocomtuc village of Agawam eventually became Springfield, situated on the Bay Path where the Connecticut River meets the western
Westfield River The Westfield River is a major tributary of the Connecticut River located in the Berkshires and Pioneer Valley regions of western Massachusetts. With four major tributary branches that converge west of the city of Westfield, it flows (measured ...
and eastern
Chicopee River The Chicopee River is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 tributary of the Connecticut River in the Pioneer Valley, Massachusetts, known for fast-moving wate ...
. The Pocomtuc villagers at Agawam helped
Puritan The Puritans were English Protestants in the 16th and 17th centuries who sought to purify the Church of England of Roman Catholic practices, maintaining that the Church of England had not been fully reformed and should become more Protestant. ...
explorers settle this site and remained friendly with them for decades, unlike tribes farther north and south along the Connecticut River. The region stretching from Springfield north to the
New Hampshire New Hampshire is a state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec to the nor ...
and
Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...
state borders fostered many agricultural Pocomtuc and
Nipmuc The Nipmuc or Nipmuck people are an Indigenous people of the Northeastern Woodlands, who historically spoke an Eastern Algonquian language. Their historic territory Nippenet, "the freshwater pond place," is in central Massachusetts and nearby part ...
settlements, with its soil enhanced by sedimentary deposits. Occasionally, these villages endured invasions from more aggressive confederated tribes living in New York, such as the
Mohawk Mohawk may refer to: Related to Native Americans * Mohawk people, an indigenous people of North America (Canada and New York) *Mohawk language, the language spoken by the Mohawk people * Mohawk hairstyle, from a hairstyle once thought to have been ...
,
Mahican The Mohican ( or , alternate spelling: Mahican) are an Eastern Algonquian Native American tribe that historically spoke an Algonquian language. As part of the Eastern Algonquian family of tribes, they are related to the neighboring Lenape, w ...
, and
Iroquois The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian-speaking confederacy of First Nations peoples in northeast North America/ Turtle Island. They were known during the colonial years to ...
tribes. The
Pennacook The Pennacook, also known by the names Penacook and Pennacock, were an Algonquian-speaking Indigenous peoples of the Northeastern Woodlands who lived in Massachusetts, New Hampshire, and southern Maine. They were not a united tribe but a netwo ...
tribe mediated many early disagreements between colonists and other Indian tribes, with a territory stretching roughly from the
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
border with Vermont and New Hampshire, northward to the rise of the White Mountains in New Hampshire. The Western
Abenaki The Abenaki ( Abenaki: ''Wαpánahki'') are an Indigenous peoples of the Northeastern Woodlands of Canada and the United States. They are an Algonquian-speaking people and part of the Wabanaki Confederacy. The Eastern Abenaki language was pre ...
(
Sokoki The Missiquoi (or the Missisquoi or the Sokoki) were a historic band of Abenaki Indigenous peoples from present-day southern Quebec and formerly northern Vermont. This Algonquian-speaking group lived along the eastern shore of Lake Champlain at ...
) tribe lived in the
Green Mountains The Green Mountains are a mountain range in the U.S. state of Vermont. The range runs primarily south to north and extends approximately from the border with Massachusetts to the border with Quebec, Canada. The part of the same range that is i ...
region of Vermont but wintered as far south as the
Northfield, Massachusetts Northfield is a town in Franklin County, Massachusetts, United States. Northfield was first settled in 1673. The population was 2,866 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The Connecticut R ...
, area. The (
Sokoki The Missiquoi (or the Missisquoi or the Sokoki) were a historic band of Abenaki Indigenous peoples from present-day southern Quebec and formerly northern Vermont. This Algonquian-speaking group lived along the eastern shore of Lake Champlain at ...
) tribe migrated to Odanak, Quebec following the epidemics and the wars with the settlers but returned to Vermont.


1614–1636: Dutch and Puritan settlement

In 1614,
Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...
explorer
Adriaen Block Adriaen (Arjan) Block (c. 1567 – buried April 27, 1627) was a Dutch private trader, privateer, and ship's captain who is best known for exploring the coastal and river valley areas between present-day New Jersey and Massachusetts during four v ...
became the first European to chart the Connecticut River, sailing as far north as Enfield Rapids. He called it the "Fresh River" and claimed it for the Netherlands as the northeastern border of the
New Netherland New Netherland ( nl, Nieuw Nederland; la, Novum Belgium or ) was a 17th-century colonial province of the Dutch Republic that was located on the east coast of what is now the United States. The claimed territories extended from the Delmarva P ...
colony. In 1623, Dutch traders constructed a fortified trading post at the site of Hartford, Connecticut, called the ''Fort Huys de Hoop'' ("Fort House of Hope"). Four separate
Puritan The Puritans were English Protestants in the 16th and 17th centuries who sought to purify the Church of England of Roman Catholic practices, maintaining that the Church of England had not been fully reformed and should become more Protestant. ...
-led groups also settled the fertile Connecticut River Valley, and they founded the two large cities that continue to dominate the Valley: Hartford (est. 1635) and Springfield (est. 1636). The first group of pioneers left the
Plymouth Colony Plymouth Colony (sometimes Plimouth) was, from 1620 to 1691, the first permanent English colony in New England and the second permanent English colony in North America, after the Jamestown Colony. It was first settled by the passengers on the ...
in 1632 and ultimately founded the village of Matianuck (which became
Windsor, Connecticut Windsor is a town in Hartford County, Connecticut, United States, and was the first English settlement in the state. It lies on the northern border of Connecticut's capital, Hartford. The population of Windsor was 29,492 at the 2020 census. P ...
) several miles north of the Dutch fort. A group left the Massachusetts Bay Colony from
Watertown Watertown may refer to: Places in China In China, a water town is a type of ancient scenic town known for its waterways. Places in the United States *Watertown, Connecticut, a New England town **Watertown (CDP), Connecticut, the central village ...
, seeking a site where they could practice their religion more freely. With this in mind, they founded
Wethersfield, Connecticut Wethersfield is a town located in Hartford County, Connecticut. It is located immediately south of Hartford along the Connecticut River. Its population was 27,298 at the time of the 2020 census. Many records from colonial times spell the name ...
, in 1633, several miles south of the Dutch fort at Hartford. In 1635, Reverend
Thomas Hooker Thomas Hooker (July 5, 1586 – July 7, 1647) was a prominent English colonial leader and Congregational minister, who founded the Connecticut Colony after dissenting with Puritan leaders in Massachusetts. He was known as an outstanding spea ...
led settlers from
Cambridge, Massachusetts Cambridge ( ) is a city in Middlesex County, Massachusetts, United States. As part of the Boston metropolitan area, the cities population of the 2020 U.S. census was 118,403, making it the fourth most populous city in the state, behind Boston ...
, where he had feuded with Reverend John Cotton, to the site in Connecticut of the Dutch Fort House of Hope, where he founded Newtowne. Shortly after Hooker's arrival, Newtowne annexed Matianuck based on laws articulated in Connecticut's settlement charter, the Warwick Patent of 1631. The patent, however, had been physically lost, and the annexation was almost certainly illegal. The fourth English settlement along the Connecticut River came out of a 1635 scouting party commissioned by
William Pynchon William Pynchon (October 11, 1590 – October 29, 1662) was an English colonist and fur trader in North America best known as the founder of Springfield, Massachusetts, USA. He was also a colonial treasurer, original patentee of the Massac ...
to find the most advantageous site for commerce and agriculture, hoping to found a city there. His scouts located the Pocumtuc village of Agawam, where the Bay Path trade route crossed the Connecticut River at two of its major tributaries—the Chicopee River to the east and Westfield River to the west—and just north of Enfield Falls, the river's first unnavigable waterfall. Pynchon surmised that traders using any of these routes would have to dock and change ships at his site, thereby granting the settlement a commercial advantage. It was initially named Agawam Plantation and was allied with the settlements to the south that became the state of Connecticut, but it switched allegiances in 1641 and was renamed Springfield in honor of Pynchon's native town in England. Of these settlements, Hartford and Springfield quickly emerged as powers. In 1641, Springfield splintered off from the Hartford-based Connecticut Colony, allying itself with the Massachusetts Bay Colony. For decades, Springfield remained the Massachusetts Bay Colony's westernmost settlement, on the northern border of the Connecticut Colony. By 1654, however, the success of these English settlements rendered the Dutch position untenable on the Connecticut River. A treaty moved the boundary westward between the Connecticut Colony and New Netherland Colony to a point near
Greenwich, Connecticut Greenwich (, ) is a town in southwestern Fairfield County, Connecticut, United States. At the 2020 census, the town had a total population of 63,518. The largest town on Connecticut's Gold Coast, Greenwich is home to many hedge funds and other ...
. The treaty allowed the Dutch to maintain their trading post at Fort Huys de Hoop, which they did until the 1664 British takeover of New Netherland.


Border disputes

The Connecticut River Valley's central location, fertile soil, and abundant natural resources made it the target of centuries of border disputes, beginning with Springfield's defection from the Connecticut Colony in 1641, which brought the Massachusetts Bay Colony to the river. In 1640, Massachusetts Bay Colony asserted a claim to jurisdiction over lands surrounding the river; however, Springfield remained politically independent until tensions with the Connecticut Colony were exacerbated by a final confrontation later that year. Hartford kept a fort at the mouth of the Connecticut River at
Old Saybrook Old Saybrook is a town in Middlesex County, Connecticut, United States. The population was 10,481 at the 2020 census. It contains the incorporated borough of Fenwick, as well as the census-designated places of Old Saybrook Center and Saybroo ...
for protection against the Pequots,
Wampanoags The Wampanoag , also rendered Wôpanâak, are an Indigenous people of the Northeastern Woodlands based in southeastern Massachusetts and historically parts of eastern Rhode Island,Salwen, "Indians of Southern New England and Long Island," p. ...
, Mohegans, and the New Netherland Colony. After Springfield broke ties with the Colony, the remaining Connecticut settlements demanded that Springfield's ships pay tolls when passing the mouth of the river. The ships refused to pay this tax without representation at Connecticut's fort, but Hartford refused to grant it. In response, the Massachusetts Bay Colony solidified its friendship with Springfield by levying a toll on Connecticut Colony ships entering
Boston Harbor Boston Harbor is a natural harbor and estuary of Massachusetts Bay, and is located adjacent to the city of Boston, Massachusetts. It is home to the Port of Boston, a major shipping facility in the northeastern United States. History ...
. Connecticut was largely dependent on sea trade with Boston and therefore permanently dropped its tax on Springfield, but Springfield allied with Boston nonetheless, drawing the first state border across the Connecticut River. The
Fort at Number 4 The Fort at Number 4 was a mid-18th century stockade fortification protecting Plantation Number 4, the northernmost British settlement along the Connecticut River in the Province of New Hampshire until after the French and Indian War. It was loca ...
in
Charlestown, New Hampshire Charlestown is a town in Sullivan County, New Hampshire, United States. The population was 4,806 at the 2020 census, down from 5,114 at the 2010 census. The town is home to Hubbard State Forest and the headquarters of the Student Conservation A ...
, was the northernmost British colonial presence on the Connecticut River until the end of the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the ...
in 1763. The
Abenaki The Abenaki ( Abenaki: ''Wαpánahki'') are an Indigenous peoples of the Northeastern Woodlands of Canada and the United States. They are an Algonquian-speaking people and part of the Wabanaki Confederacy. The Eastern Abenaki language was pre ...
had resisted British colonial settlement for decades, but colonists began settling north of
Brattleboro, Vermont Brattleboro (), originally Brattleborough, is a town in Windham County, Vermont, United States. The most populous municipality abutting Vermont's eastern border with New Hampshire, which is the Connecticut River, Brattleboro is located about ...
, following the war. Settlement of the Upper Connecticut River Valley increased quickly, with population assessments of 36,000 by 1790. Vermont was claimed by both New Hampshire and New York, and was settled primarily through the issuance of land grants by New Hampshire Governor
Benning Wentworth Benning Wentworth (July 24, 1696 – October 14, 1770) was an American merchant and colonial administrator who served as the governor of New Hampshire from 1741 to 1766. While serving as governor, Wentworth is best known for issuing several l ...
beginning in the 1740s. New York protested these grants, and King
George III George III (George William Frederick; 4 June 173829 January 1820) was King of Great Britain and of Ireland from 25 October 1760 until the union of the two kingdoms on 1 January 1801, after which he was King of the United Kingdom of Great Br ...
decided in 1764 that the border between the provinces should be the western bank of the Connecticut River. Ethan Allen, the
Green Mountain Boys The Green Mountain Boys were a militia organization first established in 1770 in the territory between the British provinces of New York and New Hampshire, known as the New Hampshire Grants and later in 1777 as the Vermont Republic (which late ...
, and other residents of the disputed area resisted attempts by New York to exercise authority there, which resulted in the establishment of the independent Vermont Republic in 1777 and its eventual accession to the United States in 1791 as the fourteenth state. Boundary disputes between Vermont and New Hampshire lasted for nearly 150 years and were finally settled in 1933, when the U.S. Supreme Court reaffirmed King George's boundary as the ordinary low-water mark on the Vermont shore. In some places, the state line is now inundated by the impoundments of dams built after this time.


The Treaty of Paris and the 19th century

The
Treaty of Paris (1783) The Treaty of Paris, signed in Paris by representatives of King George III of Great Britain and representatives of the United States of America on September 3, 1783, officially ended the American Revolutionary War and overall state of conflict ...
that ended the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
created a new international border between New Hampshire and the
Province of Canada The Province of Canada (or the United Province of Canada or the United Canadas) was a British colony in North America from 1841 to 1867. Its formation reflected recommendations made by John Lambton, 1st Earl of Durham, in the Report on th ...
at "northwesternmost headwaters of the Connecticut". Several streams fit this description, and thus a boundary dispute led to the short-lived Indian Stream Republic, which existed from 1832 to 1835. The broad, fertile Connecticut River Valley attracted agricultural settlers and colonial traders to Hartford, Springfield, and the surrounding region. The high volume and numerous falls of the river led to the rise of industry along its banks during the
Industrial Revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...
. The cities of Springfield and Hartford in particular became centers of innovation and "intense and concentrated prosperity." The Enfield Falls Canal was opened in 1829 to circumvent shallows around Enfield Falls, and the locks built for this canal gave their name to the town of
Windsor Locks, Connecticut Windsor Locks is a town in Hartford County, Connecticut, United States. As of the 2020 census, its population was 12,613. It is the site of Bradley International Airport, which serves the Greater Hartford-Springfield region and occupies approxi ...
. The Connecticut River Valley functioned as America's hub of technical innovation into the 20th century, particularly the cities of Springfield and Hartford, and thus attracted numerous railroad lines. The proliferation of the railroads in Springfield and Hartford greatly decreased the economic importance of the Connecticut River. From the late 1800s until today, it has functioned largely as a center of wildlife and recreation.


Log drives and the early 20th century

Starting about 1865, the river was used for massive logging drives from
Third Connecticut Lake The Connecticut Lakes are a group of lakes in Coos County, New Hampshire, Coos County, northern New Hampshire, United States, situated along the headwaters of the Connecticut River. They are accessed via the northernmost segment of U.S. Route 3, b ...
to initially
water power Hydropower (from el, ὕδωρ, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a ...
ed
sawmill A sawmill (saw mill, saw-mill) or lumber mill is a facility where logs are cut into lumber. Modern sawmills use a motorized saw to cut logs lengthwise to make long pieces, and crosswise to length depending on standard or custom sizes (dimensi ...
s near Enfield Falls. Trees cut adjacent to tributary streams including Perry Stream and Indian Stream in Pittsburg, New Hampshire, Halls Stream on the
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
–New Hampshire border, Simms Stream, the
Mohawk River The Mohawk River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed October 3, 2011 river in the U.S. state of New York. It is the largest tributary of the Hudson River. The Mohawk f ...
, and the
Nulhegan River The Nulhegan River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data accessed April 7, 2016 tributary of the Connecticut River in Essex County, Vermont. Course The main stem of the river rises at the outl ...
basin in
Essex County, Vermont Essex County is a county located in the northeastern part of the U.S. state of Vermont. As of the 2020 census, the population was 5,920, making it the least-populous county in both Vermont and New England. Its shire town (county seat) is the ...
, would be flushed into the main river by the release of water impounded behind
splash dam A splash dam was a temporary wooden dam used to raise the water level in streams to float logs downstream to sawmills. By impounding water and allowing it to be released on the log drive's schedule, these dams allowed many more logs to be brought ...
s. Several log drivers died trying to move logs through Perry Falls in Pittsburg. Teams of men would wait at Canaan, Vermont, to protect the bridges from log jams. Men guided logs through a drop along the length of Fifteen-Mile Falls (now submerged under Moore and Comerford reservoirs), and through Logan's Rips at Fitzdale, Mulligan's Lower Pitch, and Seven Islands. The White River from Vermont and Ammonoosuc River from New Hampshire brought more logs into the Connecticut. A
log boom A log boom (sometimes called a log fence or log bag) is a barrier placed in a river, designed to collect and or contain floating logs timbered from nearby forests. The term is also used as a place where logs were collected into booms, as at the ...
was built between Wells River, Vermont, and Woodsville, New Hampshire, to hold the logs briefly and release them gradually to avoid jams in the Ox Bow. Men detailed to this work utilized Woodsville's saloons and red-light district. Some of the logs were destined for mills in Wilder and
Bellows Falls, Vermont Bellows Falls is an incorporated village located in the town of Rockingham in Windham County, Vermont, United States. The population was 2,747 at the 2020 census. Bellows Falls is home to the Green Mountain Railroad, a heritage railroad; the ...
, while others were sluiced over the Bellows Falls dam. North Walpole, New Hampshire, contained twelve to eighteen saloons, patronized by the log drivers. Mount Tom was the landmark the log drivers used to gauge the distance to the final mills near Holyoke, Massachusetts. These spring drives were stopped after 1915, when pleasure boat owners complained about the hazards to navigation. The final drive included 500 workers controlling 65 million feet of logs. A final pulp drive consisted of 100,000 cords of four-foot logs in 1918. This was to take advantage of the wartime demand.


The flood of 1936

In March 1936, due to a winter with heavy snowfall, an early spring thaw and torrential rains, the Connecticut River flooded, overflowing its banks, destroying numerous bridges and isolating hundreds of people who had to be rescued by boat. The dam at
Vernon, Vermont Vernon is a town in Windham County, Vermont, in the United States. The population was 2,192 at the 2020 census. Vernon is the site of the now-defunct Vermont Yankee, the state of Vermont's only nuclear power plant, which closed in December 2014. ...
, was topped by . Sandbagging by the National Guard and local volunteers helped prevent the dam's powerhouse from being overwhelmed, despite blocks of ice breaking through the upstream walls. In Northampton, Massachusetts, looting during the flood became a problem, causing the mayor of the city to deputize citizen patrols to protect flooded areas. Over 3,000 refugees from the area were housed in Amherst College and the Massachusetts State Agricultural College (now
UMass Amherst The University of Massachusetts Amherst (UMass Amherst, UMass) is a public research university in Amherst, Massachusetts and the sole public land-grant university in Commonwealth of Massachusetts. Founded in 1863 as an agricultural college, it ...
). Unprecedented accumulated ice jams compounded the problems created by the flood, diverting water into unusual channels and damming the river, raising water levels even further. When the jam at Hadley, Massachusetts, gave way, the water crest overflowed the dam at Holyoke, overwhelming the sandbagging there. The village of
South Hadley Falls South Hadley (, ) is a town in Hampshire County, Massachusetts, United States. The population was 18,150 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. South Hadley is home to Mount Holyoke Colleg ...
was essentially destroyed, and the southern parts of Holyoke were severely damaged, with 500 refugees. In Springfield, Massachusetts, , and of streets, were flooded, and 20,000 people lost their homes. The city lost power, and nighttime looting caused the police to issue a "shoot on sight" edict; 800 National Guard troops were brought in to help maintain order. Rescue efforts using a flotilla of boats saved people trapped in upper stories of buildings, bringing them to local fraternal lodges, schools, churches and monasteries for lodging, medical care, and food. The American Red Cross and local, state and federal agencies, including the
WPA WPA may refer to: Computing *Wi-Fi Protected Access, a wireless encryption standard *Windows Product Activation, in Microsoft software licensing * Wireless Public Alerting (Alert Ready), emergency alerts over LTE in Canada * Windows Performance An ...
and the CCC, contributed aid and manpower to the effort. Flooding of roads isolated the city for a time. When the water receded, it left behind silt-caused mud which in places was thick; the recovery effort in Springfield, at the height of the American Great Depression, took approximately a decade. Overall, the flood caused 171 deaths and US$500 million (US$ with inflation) in damages. Across the northeast, over 430,000 people were made homeless or destitute by flooding that year. The Connecticut River Flood Control
Compact Compact as used in politics may refer broadly to a pact or treaty; in more specific cases it may refer to: * Interstate compact * Blood compact, an ancient ritual of the Philippines * Compact government, a type of colonial rule utilized in British ...
between the states of Connecticut, Massachusetts, New Hampshire, and Vermont was established in 1953 to help prevent serious flooding.


1936–present: Water supply

The creation of the
Quabbin Reservoir The Quabbin Reservoir is the largest inland body of water in Massachusetts, and was built between 1930 and 1939. Along with the Wachusett Reservoir, it is the primary water supply for Boston, to the east, and 40 other cities and towns in Greate ...
in the 1930s diverted the Swift River, which feeds the Chicopee River, a tributary of the Connecticut. This resulted in an unsuccessful lawsuit by the state of Connecticut against the diversion of its riparian waters. Demand for drinking water in eastern Massachusetts passed the sustainable supply from the existing system in 1969. Diverting water from the Connecticut River was considered several times, but in 1986 the
Massachusetts Water Resources Authority The Massachusetts Water Resources Authority (MWRA) is a public authority in the Commonwealth of Massachusetts that provides wholesale drinking water and sewage services to certain municipalities and industrial users in the state, primarily in th ...
instead undertook a campaign of water conservation. Demand was reduced to sustainable levels by 1989, reaching approximately a 25% margin of safety by 2009.


Course

The Connecticut River is the largest river ecosystem in New England. Its watershed spans Connecticut, Massachusetts, New Hampshire, Vermont, small portions of Maine, and the Canadian province of Quebec.


The Upper Connecticut River: New Hampshire and Vermont

150px, left, alt=the Connecticut Lakes, The Connecticut Lakes, the source of the Connecticut River, near the border of New Hampshire and Quebec The Connecticut River rises from Fourth Connecticut Lake, a small pond south of the Canada–United States border in the town of Pittsburg, New Hampshire, at an elevation of above sea level. It flows through the remaining
Connecticut Lakes The Connecticut Lakes are a group of lakes in Coos County, northern New Hampshire, United States, situated along the headwaters of the Connecticut River. They are accessed via the northernmost segment of U.S. Route 3, between the village of Pi ...
and Lake Francis for , all within the town of Pittsburg, and then widens as it delineates of the border between New Hampshire and Vermont. The river drops more than in elevation as it winds south to the border of Massachusetts where it sits above sea level. The region along the river upstream and downstream from
Lebanon, New Hampshire Lebanon is a city in Grafton County, New Hampshire, United States. The population was 14,282 at the 2020 United States census, 2020 census, up from 13,151 at the 2010 census. Lebanon is in western New Hampshire, south of Hanover, New Hampshire, H ...
, and
White River Junction, Vermont White River Junction is an unincorporated village and census-designated place (CDP) in the town of Hartford in Windsor County, Vermont, United States. The population was 2,528 at the 2020 census, up from 2,286 in 2010, making it the largest c ...
, is known as the "Upper Valley". The exact definition of the region varies, but it generally is considered to extend south to
Windsor, Vermont Windsor is a town in Windsor County, Vermont, United States. As the "Birthplace of Vermont", the town is where the Constitution of Vermont was adopted in 1777, thus marking the founding of the Vermont Republic, a sovereign state until 1791, when ...
, and Cornish, New Hampshire, and north to Bradford, Vermont, and
Piermont, New Hampshire Piermont is a town in Grafton County, New Hampshire, United States. The population was 769 at the 2020 census. It is home to Camp Walt Whitman and Kingswood Camp for Boys. History Incorporated by Governor Benning Wentworth in 1764 and settled in ...
. In 2001, the
Trust for Public Land The Trust for Public Land is a U.S. nonprofit organization with a mission to "create parks and protect land for people, ensuring healthy, livable communities for generations to come". Since its founding in 1972, the Trust for Public Land has compl ...
purchased of land in New Hampshire from
International Paper The International Paper Company is an American pulp and paper company, the largest such company in the world. It has approximately 56,000 employees, and is headquartered in Memphis, Tennessee. History The company was incorporated January 31 ...
, allowing the Connecticut Lakes Headwaters Partnership Task Force to plan the future protection of the land. The property spans the towns of Pittsburg, Clarksville, and Stewartstown, New Hampshire, nearly 3 percent of the land in the state of New Hampshire. The Trust for Public Land worked in partnership with the
Society for the Protection of New Hampshire Forests The Society for the Protection of New Hampshire Forests (SPNHF) is a private, non-profit, land conservation and sustainable forestry organization based in the U.S. state of New Hampshire. It purchases or is given easements on property, or obtains ou ...
,
The Nature Conservancy The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US. Founded in 1951, The Nat ...
of New Hampshire, and others to raise around $42 million. A
conservation easement In the United States, a conservation easement (also called conservation covenant, conservation restriction or conservation servitude) is a power invested in a qualified private land conservation organization (often called a "land trust") or gover ...
over of the property prohibits development of the land while allowing public access. The forest is managed by the Lyme Timber Company, and the conservation easement over the land ensures sustainable forest management of the property.


The Middle Connecticut River: Massachusetts through central Connecticut

Following the most recent
ice age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gre ...
, the Middle Connecticut River Valley sat at the bottom of
Lake Hitchcock Lake Hitchcock was a glacial lake that formed approximately 15,000 years ago in the late Pleistocene epoch. After the Laurentide Ice Sheet retreated, glacial ice melt accumulated at the terminal moraine and blocked up the Connecticut River, cre ...
. Its lush greenery and rich, almost rockless soil comes from the ancient lake's sedimentary deposits. In the Middle Connecticut region, the river reaches its maximum depth – – at
Gill, Massachusetts Gill is a town in Franklin County, Massachusetts, United States. The population was 1,551 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The campus of Northfield Mount Hermon School is located in ...
, around the French King Bridge, and its maximum width – – at Longmeadow, directly across from the
Six Flags New England Six Flags New England, formerly known as Gallup's Grove (1870–1886), Riverside Grove (1887–1911), Riverside Park (1912–1995) and Riverside: The Great Escape (1996–2000), is an amusement park located in Agawam, Massachusetts, a western s ...
amusement park. The Connecticut's largest falls – South Hadley Falls – features a vertical drop of . Lush green forests and agricultural hamlets dot this middle portion of the Connecticut River; however, the region is best known for its numerous college towns, such as Northampton,
South Hadley South Hadley (, ) is a town in Hampshire County, Massachusetts, United States. The population was 18,150 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. South Hadley is home to Mount Holyoke Colleg ...
, and Amherst, as well as the river's most populous city, Springfield. The city sits atop bluffs beside the Connecticut's confluence with two major tributaries, the Chicopee River to the east and Westfield River to the west. The region around the Connecticut River is known locally as the
Pioneer Valley The Pioneer Valley is the colloquial and promotional name for the portion of the Connecticut River Valley that is in Massachusetts in the United States. It is generally taken to comprise the three counties of Hampden, Hampshire, and Frankli ...
, and the name adorns many local civic organizations and local businesses. While the southern part of the valley in Massachusetts is heavily urbanized, the northern section is largely rural and the local agriculture is well known for Connecticut shade tobacco. The Connecticut River is influenced by the tides as far north as Enfield Rapids in
Windsor Locks, Connecticut Windsor Locks is a town in Hartford County, Connecticut, United States. As of the 2020 census, its population was 12,613. It is the site of Bradley International Airport, which serves the Greater Hartford-Springfield region and occupies approxi ...
, approximately north of the river's mouth. Two million residents live in the densely populated Hartford-Springfield region, which stretches roughly between the college towns of Amherst, Massachusetts, and Middletown, Connecticut. Hartford, the second-largest city and the only state capital on the river, is at the southern end of this region on an ancient floodplain that stretches to Middletown.


The Lower Connecticut River: Southern Connecticut to Long Island Sound

south of Hartford, at Middletown, the Lower Connecticut River section begins with a narrowing of the river, and then a sharp turn southeast. Throughout southern Connecticut, the Connecticut passes through a thinly populated, hilly, wooded region before again widening and discharging into Long Island Sound between Old Saybrook and
Old Lyme Old Lyme is a coastal town in New London County, Connecticut, United States. The main street of the town, Lyme Street, is a historic district with several homes once owned by sea captains. Lyme Academy of Fine Arts is located in Old Lyme and the ...
. Due to the presence of large, shifting sandbars at its mouth, the Connecticut is the only major river in the Northeastern United States without a port at its mouth.


Mouth and tidelands

The Connecticut River carries a heavy amount of silt from as far north as Quebec, especially during the spring snow melt. This results in a large sandbar near the river's mouth which is a formidable obstacle to navigation. The Connecticut is one of the few major rivers in the United States without a major city at its mouth because of this obstacle. Major cities on the Connecticut River are Hartford and Springfield, which lie upriver respectively.
The Nature Conservancy The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US. Founded in 1951, The Nat ...
named the Connecticut River's tidelands one of the Western Hemisphere's "40 Last Great Places", while the
Ramsar Convention The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar site, Ramsar sites (wetlands). It is also known as the Convention on W ...
on Wetlands listed its estuary and tidal wetlands as one of 1,759 wetlands of international importance. In 1997, the Connecticut River was designated one of only 14 American Heritage Rivers, which recognized its "distinctive natural, economic, agricultural, scenic, historic, cultural, and recreational qualities." In May 2012, the Connecticut River was designated America's first National Blueway in recognition of the restoration and preservation efforts on the river.


Dams

The Connecticut River's flow is slowed by main stem dams, which create a series of slow-flowing basins from Lake Francis Dam in Pittsburg, New Hampshire, to the
Holyoke Dam The Holyoke Dam, also referred to as the Hadley Falls Dam, or Hadley Falls Station is a granite dam built in tandem with the Holyoke Canal System at Hadley Falls on the Connecticut River, between Holyoke and South Hadley, Massachusetts. The wate ...
at
South Hadley South Hadley (, ) is a town in Hampshire County, Massachusetts, United States. The population was 18,150 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. South Hadley is home to Mount Holyoke Colleg ...
Falls in Massachusetts. Among the most extensively dammed rivers in the United States, the Connecticut may soon flow at a more natural pace, according to scientists at the University of Massachusetts at Amherst, who have devised a computer that – "in an effort to balance human and natural needs" – coordinates the holding and releasing of water between the river's 54 largest dams. The Cabot and Turners Falls hydroelectric stations generate up to 68 MW. The
Holyoke Canal System The Holyoke Canal System is a system of power canals in Holyoke, Massachusetts. It is split into three canals based on elevation and distance from the inlet at the Holyoke Dam- the First Level Canal, Second Level Canal, and Third Level Canal. Cons ...
and Hadley Falls Station at Holyoke Dam are rated a combined 48 MW.


Tributaries

The Connecticut River watershed encompasses , connecting 148 tributaries, including 38 major rivers and numerous lakes and ponds. Major tributaries include (from north to south) the Passumpsic, Ammonoosuc,
White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...
,
Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ...
,
West West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some ...
, Ashuelot,
Millers A miller is a person who operates a mill, a machine to grind a grain (for example corn or wheat) to make flour. Milling is among the oldest of human occupations. "Miller", "Milne" and other variants are common surnames, as are their equivalents ...
, Deerfield, Chicopee, Westfield, and
Farmington Farmington may refer to: Places Canada *Farmington, British Columbia * Farmington, Nova Scotia (disambiguation) United States *Farmington, Arkansas *Farmington, California *Farmington, Connecticut *Farmington, Delaware * Farmington, Georgia * ...
rivers. The Swift River, a tributary of the Chicopee, has been dammed and largely replaced by the Quabbin Reservoir which provides water to the
Massachusetts Water Resources Authority The Massachusetts Water Resources Authority (MWRA) is a public authority in the Commonwealth of Massachusetts that provides wholesale drinking water and sewage services to certain municipalities and industrial users in the state, primarily in th ...
district in eastern Massachusetts, including Boston and its metropolitan area.


Ecology

Along its southern reaches, the Connecticut River has carved a wide, fertile floodplain valley (known in Massachusetts as the Pioneer Valley), depositing rich silt and loam soils known internationally for their agricultural merit. Abundant riparian hardwood species include sycamores, cottonwood, basswood, willows, sassafras, box elder, black elder, osier dogwood and more. The river itself and its many tributaries are home to many typical New England freshwater species. These include
dace A dace is a small fish that can be one of many different species. The unmodified name is usually a reference to the common dace (''Leuciscus leuciscus''). This, like most fish called "daces", belongs to the family Cyprinidae, mostly in subfamily ...
, crawfish, hellgramites,
freshwater mussel Freshwater bivalves are one kind of freshwater mollusc, along with freshwater snails. They are bivalves that live in fresh water as opposed to salt water, which is the main habitat type for bivalves. The majority of species of bivalve molluscs ...
s, typical frog species,
snapping turtle The Chelydridae is a family of turtles that has seven extinct and two extant genera. The extant genera are the snapping turtles, ''Chelydra'' and '' Macrochelys''. Both are endemic to the Western Hemisphere. The extinct genera are '' Acherontem ...
s, brook trout, freshwater sturgeon, catfish, walleye, chain pickerel and carp. Introduced species include stocked rainbow trout. The river is an important conduit of many anadromous fish, such as American shad,
lamprey Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the superclass Cyclostomata. The adult lamprey may be characterized by a toothed, funnel-like s ...
, and Atlantic salmon. American eels are also present, as are predators of these migratory fish including striped bass. Shad run as far north as Holyoke, Massachusetts where they are lifted over the Holyoke Dam by a fish elevator. This station publishes annual statistics of the run, and has recorded an occasional salmon. They pass an additional elevator in
Turners Falls, Massachusetts Turners Falls is an unincorporated village and census-designated place in the town of Montague in Franklin County, Massachusetts, United States. The population was 4,512 at the 2020 census. It is part of the Springfield, Massachusetts Metropoli ...
, and make it at least as far as
Bellows Falls, Vermont Bellows Falls is an incorporated village located in the town of Rockingham in Windham County, Vermont, United States. The population was 2,747 at the 2020 census. Bellows Falls is home to the Green Mountain Railroad, a heritage railroad; the ...
.
Harbor seal The harbor (or harbour) seal (''Phoca vitulina''), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared se ...
s have been recorded traveling upriver as far north as Holyoke in pursuit of migratory fish; it is possible that they ranged farther upstream before the dam was built. There are 12 species of freshwater mussels. Eleven of them occur in the mainstem of the Connecticut; the brook floater is found only in small streams and rivers. Species diversity is higher in the southern part of the watershed (Connecticut and Massachusetts) than in the northern part (Vermont and New Hampshire), largely due to differences in stream gradient and substrate. Eight of the 12 species in the watershed are listed as endangered, threatened, or of special concern in one or more of the states in the watershed. A number of
colonial Colonial or The Colonial may refer to: * Colonial, of, relating to, or characteristic of a colony or colony (biology) Architecture * American colonial architecture * French Colonial * Spanish Colonial architecture Automobiles * Colonial (1920 au ...
animal species make their home in the waters of the Connecticut. Deeper areas are habitat for a diversity of colonial organisms including
bryozoa Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) are a phylum of simple, aquatic invertebrate animals, nearly all living in sedentary colonies. Typically about long, they have a special feeding structure called a ...
. Freshwater
sponge Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate throug ...
s the size of dinner plates have been found by scuba divers at depths of more than , thought to be the deepest location of the river, around the French King Bridge in Orange, Massachusetts. Mussels, eels, and
northern pike The northern pike (''Esox lucius'') is a species of carnivorous fish of the genus ''Esox'' (the pikes). They are typical of brackish and fresh waters of the Northern Hemisphere (''i.e.'' holarctic in distribution). They are known simply as a p ...
were also observed there.


Fish

There are several species of anadromous and catadromous fish, including brook trout,
winter flounder The winter flounder (''Pseudopleuronectes americanus''), also known as the black back, is a right-eyed ("dextral") flatfish of the family Pleuronectidae. It is native to coastal waters of the western north Atlantic coast, from Labrador, Canada to ...
,
blueback herring The blueback herring, blueback shad, or summer shad (''Alosa aestivalis'') is an anadromous species of herring from the east coast of North America, with a range from Nova Scotia to Florida. Blueback herring form schools and are believed to mi ...
, alewife, rainbow trout, large brown trout, American shad (''Alosa sapidissima''), hickory shad, smallmouth bass,
Atlantic sturgeon The Atlantic sturgeon (''Acipenser oxyrinchus oxyrinchus'') is a member of the family Acipenseridae and along with other sturgeon it is sometimes considered a living fossil. The Atlantic sturgeon is one of two subspecies of '' A. oxyrinchus'', ...
, striped bass (''Morone saxatilis''), American eel,
sea lamprey The sea lamprey (''Petromyzon marinus'') is a parasitic lamprey native to the Northern Hemisphere. It is sometimes referred to as the "vampire fish". Description The sea lamprey has an eel-like body without paired fins. Its mouth is jawless, ...
, and endangered shortnose sturgeon and dwarf wedgemussels. Additionally, the
United States Fish and Wildlife Service The United States Fish and Wildlife Service (USFWS or FWS) is an agency within the United States Department of the Interior dedicated to the management of fish, wildlife, and natural habitats. The mission of the agency is "working with othe ...
has repopulated the river with another species of migratory fish, the Atlantic salmon, which for more than 200 years had been extinct from the river due to
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...
ming. Several
fish ladder A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as move ...
s and fish elevators have been built to allow fish to resume their natural migration upriver each spring. Fresh and brackish water residents of the main branch and tributaries include common carp, white catfish,
brown bullhead The brown bullhead (''Ameiurus nebulosus'') is a fish of the family Ictaluridae that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead (''Ameiurus melas'') and yellow bullhead (''Am ...
,
fallfish The fallfish (''Semotilus corporalis'') is a North American freshwater fish, a chub in the family Cyprinidae. The fallfish is the largest minnow species native to Eastern North America. Description Average specimens generally measure about in ...
,
yellow perch The yellow perch (''Perca flavescens''), commonly referred to as perch, striped perch, American perch, American river perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Sam ...
, smallmouth bass,
largemouth bass The largemouth bass (''Micropterus salmoides'') is a carnivorous freshwater gamefish in the Centrarchidae ( sunfish) family, a species of black bass native to the eastern and central United States, southeastern Canada and northern Mexico, bu ...
,
northern pike The northern pike (''Esox lucius'') is a species of carnivorous fish of the genus ''Esox'' (the pikes). They are typical of brackish and fresh waters of the Northern Hemisphere (''i.e.'' holarctic in distribution). They are known simply as a p ...
,
chain pickerel The chain pickerel (''Esox niger'') is a species of freshwater fish in the pike family (family Esocidae) of order Esociformes. The chain pickerel and the American pickerel (''E. americanus'') belong to the ''Esox'' genus of pike. Taxonomy Fren ...
, bluegill, pumpkinseed sunfish,
golden shiner The golden shiner (''Notemigonus crysoleucas'') is a cyprinid fish native to eastern North America. It is the sole member of its genus. Much used as a bait fish, it is probably the most widely pond-cultured fish in the United States. It can be fo ...
, and
rock bass The rock bass (''Ambloplites rupestris''), also known as the rock perch, goggle-eye, red eye, and black perch, is a freshwater fish native to east-central North America. This red eyed creature is a species of freshwater fish in the sunfish fa ...
. Much of the beginning of the river's course in the town of Pittsburg is occupied by the Connecticut Lakes, which contain
lake trout The lake trout (''Salvelinus namaycush'') is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, namaycush, lake char (or charr), touladi, togue, and grey trout. In Lake Superior, it can also ...
and
landlocked salmon The Atlantic salmon (''Salmo salar'') is a species of ray-finned fish in the family Salmonidae. It is the third largest of the Salmonidae, behind Siberian taimen and Pacific Chinook salmon, growing up to a meter in length. Atlantic salmon ar ...
. Landlocked salmon make their way into the river during spring spawning runs of
bait fish 300px, Feeder Goldfish are common baitfish. Bait fish (or baitfish) are small-sized fish caught and used by anglers as bait to attract larger predatory fish, particularly game fish. Baitfish species are typically those that are common and bree ...
and during their fall spawn. The river has fly-fishing-only regulations on of river. Most of the river from Lake Francis south is open to lure and bait as well. Two tail-water dams provide cold river water for miles downstream, making for bountiful summer fishing on the Connecticut. After the first major dam was built near
Turners Falls, Massachusetts Turners Falls is an unincorporated village and census-designated place in the town of Montague in Franklin County, Massachusetts, United States. The population was 4,512 at the 2020 census. It is part of the Springfield, Massachusetts Metropoli ...
, thirteen additional dams have ended the Connecticut River's great anadromous fish runs. Salmon restoration efforts began in 1967, and fish ladders at a fish elevator at Hadley Falls have since enabled migrating fish to return to some of their former spawning grounds. In addition to dams, warm water discharges between 1978 and 1992 from
Vermont Yankee Nuclear Power Plant Vermont Yankee was an electricity generating nuclear power plant, located in the town of Vernon, Vermont, in the northeastern United States. It generated 620 megawatts (MWe) of electricity at full power. The plant was a boiling water reacto ...
in Vernon, Vermont released water up to degrees, with the thermal plume reaching downstream as far as Holyoke. This thermal pollution appears to be associated with an 80% decline in American shad fish numbers from 1992 to 2005 at Holyoke Dam. This decline may have been exacerbated by over-fishing in the mid-Atlantic and predation from resurging striped bass populations. The nuclear plant was closed at the end of 2014, after which the shad population has increased.


Economy


Boating

The mouth of the river up to
Essex Essex () is a county in the East of England. One of the home counties, it borders Suffolk and Cambridgeshire to the north, the North Sea to the east, Hertfordshire to the west, Kent across the estuary of the River Thames to the south, and Grea ...
is thought to be one of the busiest stretches of waterway in Connecticut. Some local police departments and the state Environmental Conservation Police patrol the area a few times a week. Some towns keep boats available if needed. In Massachusetts, the most active stretch of the Connecticut River is centered on the Oxbow, north of Springfield in the college town of Northampton. Camping is available along much of the river, for non-motorized boats, via the Connecticut River Paddlers' Trail. The Paddlers' Trail currently includes campsites on over of the river.


Pollution and cleanup

The Water Quality Act of 1965 had a major impact on controlling
water pollution Water pollution (or aquatic pollution) is the contamination of water bodies, usually as a result of human activities, so that it negatively affects its uses. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. ...
in the Connecticut River and its tributaries. Since then, the river has been restored from Class D to Class B (fishable and swimmable). Many towns along the Lower Connecticut River have enacted a cap on further
development Development or developing may refer to: Arts *Development hell, when a project is stuck in development *Filmmaking, development phase, including finance and budgeting *Development (music), the process thematic material is reshaped * Photograph ...
along the banks, so that no buildings may be constructed except on existing foundations. Currently, a website provides
water quality Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage. It is most frequently used by reference to a set of standards against which compliance, generally achieved through tr ...
reports twice a week, indicating whether various portions of the river are safe for swimming, boating and fishing.


Lists


Populated places


Tributaries

Listed from south to north by location of mouth: * Black Hall River ( Old Lyme, CT) * Falls River ( Essex, CT) * Eightmile River ( Hamburg, CT) * Deep River ( Deep River, CT) * Salmon River ( Moodus, CT) *
Mattabesset River The Mattabesset River as delineated on present-day maps flows out of Harts Ponds in the town of Berlin and travels east to the Connecticut River, passing Kensington and later forming the boundary between Middletown and Cromwell.U.S. Geological Sur ...
(
Middletown, CT Middletown is a city located in Middlesex County, Connecticut, United States, Located along the Connecticut River, in the central part of the state, it is south of Hartford, Connecticut, Hartford. In 1650, it was incorporated by English settler ...
) *
Hockanum River The Hockanum River is a river in Connecticut. Hockanum is derived from the Native American Podunk people Algonquin language word meaning "hook-shaped", so named because of the course of the river. The Hockanum neighborhood in East Hartford is na ...
(
East Hartford East Hartford is a town in Hartford County, Connecticut, United States. The population was 51,045 at the 2020 census. The town is located on the east bank of the Connecticut River, directly across from Hartford, Connecticut. It is home to aerospac ...
and Hartford, CT) * Park River ( Hartford, CT) *
Farmington River The Farmington River is a river, U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 in length along its main stem, located in northwest Connecticut with major tributaries ex ...
( Windsor, CT) *
Scantic River The Scantic River (pronounced SKAN-tik) is a river that flows through the states of Massachusetts and Connecticut and is tributary to the Connecticut River. The Scantic River's tributaries rise in the towns of Hampden, Wilbraham, East Longm ...
(
South Windsor, CT South Windsor is a town in Hartford County, Connecticut, United States. The population was 26,918 at the 2020 census. History In 1659, Thomas Burnham (1617–1688) purchased the tract of land now covered by the towns of South Windsor and East Ha ...
) *
Westfield River The Westfield River is a major tributary of the Connecticut River located in the Berkshires and Pioneer Valley regions of western Massachusetts. With four major tributary branches that converge west of the city of Westfield, it flows (measured ...
( West Springfield and
Springfield, MA Springfield is a city in the Commonwealth of Massachusetts, United States, and the seat of Hampden County. Springfield sits on the eastern bank of the Connecticut River near its confluence with three rivers: the western Westfield River, the ...
) * Mill River (
Springfield, MA Springfield is a city in the Commonwealth of Massachusetts, United States, and the seat of Hampden County. Springfield sits on the eastern bank of the Connecticut River near its confluence with three rivers: the western Westfield River, the ...
) *
Chicopee River The Chicopee River is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 tributary of the Connecticut River in the Pioneer Valley, Massachusetts, known for fast-moving wate ...
( Chicopee and
Springfield, MA Springfield is a city in the Commonwealth of Massachusetts, United States, and the seat of Hampden County. Springfield sits on the eastern bank of the Connecticut River near its confluence with three rivers: the western Westfield River, the ...
) *
Manhan River The Manhan River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 river in western Massachusetts. It is a tributary of the Connecticut River. The river begins near the ...
(
The Oxbow ''View from Mount Holyoke, Northampton, Massachusetts, after a Thunderstorm'', commonly known as ''The Oxbow'', is a seminal landscape painting by Thomas Cole, founder of the Hudson River School. The painting depicts a Romantic panorama of the Con ...
of
Northampton, MA The city of Northampton is the county seat of Hampshire County, Massachusetts, United States. As of the 2020 census, the population of Northampton (including its outer villages, Florence and Leeds) was 29,571. Northampton is known as an acade ...
) * Mill River (
Northampton, MA The city of Northampton is the county seat of Hampshire County, Massachusetts, United States. As of the 2020 census, the population of Northampton (including its outer villages, Florence and Leeds) was 29,571. Northampton is known as an acade ...
) *
Fort River The Fort River is a river in Western Massachusetts and is a tributary of the Connecticut River and runs through the towns of, Amherst, Massachusetts, and ends in Hadley, Massachusetts. The Fort technically begins as Adams Brook which begins at ...
(
Hadley, MA Hadley (, ) is a town in Hampshire County, Massachusetts, United States. The population was 5,325 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The area around the Hampshire and Mountain Farms Ma ...
) * Mill River ( Hatfield, MA) * Mill River (
Amherst, MA Amherst () is a town in Hampshire County, Massachusetts, United States, in the Connecticut River valley. As of the 2020 census, the population was 39,263, making it the highest populated municipality in Hampshire County (although the county seat ...
) * Sawmill River ( Montague, MA) *
Deerfield River Deerfield River is a river that runs for from southern Vermont through northwestern Massachusetts to the Connecticut River. The Deerfield River was historically influential in the settlement of western Franklin County, Massachusetts, and its ...
( Deerfield and Greenfield, MA) *
Fall River Fall River is a city in Bristol County, Massachusetts, United States. The City of Fall River's population was 94,000 at the 2020 United States Census, making it the tenth-largest city in the state. Located along the eastern shore of Mount H ...
( Greenfield and
Gill, MA Gill is a town in Franklin County, Massachusetts, United States. The population was 1,551 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The campus of Northfield Mount Hermon School is located in t ...
) *
Millers River The Millers River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 river in northern Massachusetts, originating in Ashburnham and joining the Connecticut River just ...
( Millers Falls, MA) *
Ashuelot River The Ashuelot River is a tributary of the Connecticut River, approximately long, in southwestern New Hampshire in the United States. It drains a mountainous area of , including much of the area known as the Monadnock Region. It is the longest tr ...
( Hinsdale, NH) * Whetstone Brook (
Brattleboro, VT Brattleboro (), originally Brattleborough, is a town in Windham County, Vermont, United States. The most populous municipality abutting Vermont's eastern border with New Hampshire, which is the Connecticut River, Brattleboro is located about nor ...
) *
West River West River may refer to: Rivers Canada *West River (Antigonish, Nova Scotia) in Antigonish County, Nova Scotia * West River (Pictou, Nova Scotia) in Pictou County, Nova Scotia * West River (Halifax, Nova Scotia) in Sheet Harbour, Nova Scotia * West ...
(
Brattleboro, VT Brattleboro (), originally Brattleborough, is a town in Windham County, Vermont, United States. The most populous municipality abutting Vermont's eastern border with New Hampshire, which is the Connecticut River, Brattleboro is located about nor ...
) *
Partridge Brook Partridge Brook is a stream located in southwestern New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound. Partridge Brook begins at the outlet of Spofford Lake at Spofford village in ...
( Westmoreland, NH) * Cold River ( Walpole, NH) *
Saxtons River The Saxtons River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river in the U.S. state of Vermont, a tributary of the Connecticut River. Its watershed covers and ...
( Westminster, VT) * Williams River (
Rockingham, VT Rockingham is a Town in Windham County, on the southeastern Vermont border in the United States, along the Connecticut River. As of the 2020 census, the population was 4,832. Rockingham includes the incorporated villages of Bellows Falls and Sa ...
) * Black River (
Springfield, VT Springfield is a town in Windsor County, Vermont, United States. As of the 2020 census, the population was 9,062. History The land currently recognized as Springfield is the traditional land of the Pennacook and Abenaki people. One of the ...
) * Little Sugar River ( Charlestown, NH) * Sugar River ( Claremont, NH) *
Blow-me-down Brook Blow-me-down Brook is a long stream located in western New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound. Blow-me-down Brook begins near the northeast border of the town of Corni ...
( Cornish, NH) *
Ottauquechee River The Ottauquechee River (pronounced ''AWT-ah-KWEE-chee'') is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river in eastern Vermont in the United States. It is a tributary ...
(
Hartland, VT Hartland is a town in Windsor County, Vermont, United States. The population was 3,446 at the 2020 census. It includes the villages of Hartland, Hartland Four Corners, and North Hartland. History Hartland, originally named Hertford, was cha ...
) *
Mascoma River The Mascoma River is a river in western New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound. The Mascoma comprises two sections which are split by Mascoma Lake in the communities of Enf ...
( West Lebanon, NH) * White River (
White River Junction, VT White River Junction is an unincorporated village and census-designated place (CDP) in the town of Hartford in Windsor County, Vermont, United States. The population was 2,528 at the 2020 census, up from 2,286 in 2010, making it the largest co ...
) *
Mink Brook Mink Brook is a stream in western New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound. Mink Brook lies entirely in the town of Hanover. It rises on the western slopes of Moose Mountain ...
(
Hanover, NH Hanover is a town located along the Connecticut River in Grafton County, New Hampshire, United States. As of the 2020 census, its population was 11,870. The town is home to the Ivy League university Dartmouth College, the U.S. Army Corps of En ...
) *
Ompompanoosuc River The Ompompanoosuc River is a river, about 25 mi (40 km) long, in eastern Vermont in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound. According to the Geographic Names Information System, ...
(
Norwich, VT Norwich is a town in Windsor County, in the U.S. state of Vermont. The population was 3,612 at the 2020 census. Home to some of the state of Vermont's wealthiest residents, the municipality is a commuter town for nearby Hanover, New Hampshire ...
) * Waits River (
Bradford, VT Bradford is a town in Orange County, Vermont, United States. The population was 2,790 at the 2020 census. Bradford is located on the county's eastern border, bordering both the Connecticut River and New Hampshire, and is a commercial center for ...
) * Oliverian Brook ( Haverhill, NH) * Wells River ( Wells River, VT) * Ammonoosuc River ( Woodsville, NH) * Stevens River (
Barnet, VT Barnet is a town in Caledonia County, Vermont, United States. The population was 1,663 at the 2020 census. Barnet contains the locations of Barnet Center, East Barnet, McIndoe Falls, Mosquitoville, Passumpsic and West Barnet. The main settlemen ...
) *
Passumpsic River The Passumpsic River () is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 tributary of the Connecticut River, in Vermont. Though primarily a Caledonia County river, it i ...
(
Barnet, VT Barnet is a town in Caledonia County, Vermont, United States. The population was 1,663 at the 2020 census. Barnet contains the locations of Barnet Center, East Barnet, McIndoe Falls, Mosquitoville, Passumpsic and West Barnet. The main settlemen ...
) * Johns River (
Dalton, NH Dalton is a New England town, town in Coös County, New Hampshire, Coös County, New Hampshire, United States. The population was 933 at the 2020 census. It is part of the Berlin, New Hampshire, Berlin, NH–Vermont, VT Berlin micropolitan area ...
) *
Israel River Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
( Lancaster, NH) *
Upper Ammonoosuc River The Upper Ammonoosuc River is a tributary of the Connecticut River that flows through Coös County in the northern part of the northeastern U.S. state of New Hampshire. Despite its name, the river is not an upstream portion of the Ammonoosuc Riv ...
( Northumberland, NH) *
Paul Stream Paul may refer to: *Paul (given name), a given name (includes a list of people with that name) *Paul (surname), a list of people People Christianity * Paul the Apostle (AD c.5–c.64/65), also known as Saul of Tarsus or Saint Paul, early Chri ...
(
Brunswick, VT Brunswick is a town in Essex County, Vermont, United States. The town was named after Prince Karl Wilhelm Ferdinand of Brunswick-Lunenburg. The population was 88 at the 2020 census. It is part of the Berlin, NH–VT Micropolitan Statist ...
) *
Nulhegan River The Nulhegan River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data accessed April 7, 2016 tributary of the Connecticut River in Essex County, Vermont. Course The main stem of the river rises at the outl ...
( Bloomfield, VT) * Simms Stream ( Columbia, NH) *
Mohawk River The Mohawk River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed October 3, 2011 river in the U.S. state of New York. It is the largest tributary of the Hudson River. The Mohawk f ...
( Colebrook, NH) * Halls Stream ( Beecher Falls, VT) * Indian Stream (
Pittsburg, NH Pittsburg is a town in Coös County, New Hampshire, United States. The population was 800 at the 2020 census. It is the northernmost town in New Hampshire and the largest town by area in New England. U.S. Route 3 is the only major highway in th ...
) * Perry Stream (
Pittsburg, NH Pittsburg is a town in Coös County, New Hampshire, United States. The population was 800 at the 2020 census. It is the northernmost town in New Hampshire and the largest town by area in New England. U.S. Route 3 is the only major highway in th ...
) Image:TrophyStretchConnecticuttRiver.jpg, Near First Connecticut Lake Image:ConnecticuttRiverNearColebrook.jpg, Near
Colebrook, New Hampshire Colebrook is a town in Coös County, New Hampshire, United States. The population was 2,084 at the time of the 2020 census, down from 2,301 at the 2010 census.United States Census BureauAmerican FactFinder 2010 Census figures. Retrieved March 23, ...
Image:IMG_3758_view_north_from_French_King_Bridge.jpg, Looking north from the French King Bridge at the Erving-
Gill A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...
town line in
western Massachusetts Western Massachusetts, known colloquially as “Western Mass,” is a region in Massachusetts, one of the six U.S. states that make up the New England region of the United States. Western Massachusetts has diverse topography; 22 colleges and u ...
Image:Morning mist on the Connecticut River from the Bissell Bridge by Elias Friedman (elipongo).JPG, Mist upstream of the Bissell Bridge between
Windsor Windsor may refer to: Places Australia * Windsor, New South Wales ** Municipality of Windsor, a former local government area * Windsor, Queensland, a suburb of Brisbane, Queensland **Shire of Windsor, a former local government authority around Wi ...
and
South Windsor, CT South Windsor is a town in Hartford County, Connecticut, United States. The population was 26,918 at the 2020 census. History In 1659, Thomas Burnham (1617–1688) purchased the tract of land now covered by the towns of South Windsor and East Ha ...
Image:Connecticut River bridge.jpg,
Founders Bridge The Founders Bridge is one of the three highway bridges over the Connecticut River in Hartford, Connecticut. The steel stringer bridge carries the Route 2 expressway, and also crosses over Interstate 91 (which runs parallel to the river). the ...
in
Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since the ...
, with a view of the
Bulkeley Bridge The Bulkeley Bridge (also known as Hartford Bridge, Bridge No. 980A) is the oldest of three highway bridges over the Connecticut River in Hartford, Connecticut. A stone arch bridge composed of nine spans, the bridge carries Interstate 84, ...
upstream Image:Connecticut River near its mouth.JPG, The river near its mouth


Crossings

The Connecticut River is a barrier to travel between western and eastern New England. Several major transportation corridors cross the river including
Amtrak The National Railroad Passenger Corporation, Trade name, doing business as Amtrak () , is the national Passenger train, passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous United Stat ...
's
Northeast Corridor The Northeast Corridor (NEC) is an electrified railroad line in the Northeast megalopolis of the United States. Owned primarily by Amtrak, it runs from Boston through Providence, New Haven, Stamford, New York City, Philadelphia, Wilmington, a ...
,
Interstate 95 Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running from U.S. Route 1, US Route 1 (US 1) in Miami, Miami, Florida, to the Houlton–Woodstock Border Crossing between M ...
(
Connecticut Turnpike The Connecticut Turnpike (officially the Governor John Davis Lodge Turnpike) is a controlled-access highway and former toll road in the U.S. state of Connecticut; it is maintained by the Connecticut Department of Transportation (ConnDOT). Span ...
),
Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and ...
(
Massachusetts Turnpike The Massachusetts Turnpike (colloquially "Mass Pike" or "the Pike") is a toll highway in the US state of Massachusetts that is maintained by the Massachusetts Department of Transportation (MassDOT). The turnpike begins at the New York state li ...
),
Interstate 89 Interstate 89 (I-89) is an Interstate Highway in the New England region of the United States traveling from Bow, New Hampshire, to the Canadian border between Highgate Springs, Vermont, and Saint-Armand, Quebec. As with all odd-numbered ...
,
Interstate 93 Interstate 93 (I-93) is an Interstate Highway in the New England states of Massachusetts, New Hampshire, and Vermont in the United States. Spanning approximately along a north–south axis, it is one of three primary Interstate Highways ...
, and Interstate 84. In addition,
Interstate 91 Interstate 91 (I-91) is an Interstate Highway in the New England region of the United States. It provides the primary north–south thoroughfare in the western part of the region. The Interstate generally follows the course of the Conne ...
, whose route largely follows the river, crosses it twice – once in Connecticut and once in Massachusetts.


In literature

Lydia Sigourney Lydia Huntley Sigourney (September 1, 1791 – June 10, 1865), ''née'' Lydia Howard Huntley, was an American poet, author, and publisher during the early and mid 19th century. She was commonly known as the "Sweet Singer of Hartford." She had a ...
's poem "Connecticut River" was published in her 1834 poetry collection.
Wallace Stevens Wallace Stevens (October 2, 1879 – August 2, 1955) was an American modernist poet. He was born in Reading, Pennsylvania, educated at Harvard and then New York Law School, and spent most of his life working as an executive for an insurance compa ...
, one of America's most important 20th century poets, lived in Hartford, Connecticut, where he was vice-president of the Hartford Insurance Co. He composed many of his poems, including "The River of Rivers in Connecticut" on his 2.4 mile daily walk to and from his office.''The Palm at the End of the Mind, Selected Poems and a Play''; Wallace Stevens; Ed. by Holly Stevens


See also

*
Equivalent Lands The Equivalent Lands were several large tracts of land that the Province of Massachusetts Bay made available to settlers from the Connecticut Colony after April 1716. This was done as compensation for an equivalent area of territory that was under ...
* The Great Attack, the burning of American ships on the Connecticut River at Essex in 1814 *
History of Connecticut The U.S. state of Connecticut began as three distinct settlements of Puritans from Massachusetts and England; they combined under a single royal charter in 1663. Known as the "land of steady habits" for its political, social and religious conserva ...
*
Lake Connecticut Glacial Lake Connecticut formed over what is now Long Island Sound and coastal Connecticut at the fore edge of the ice sheet of the Wisconsin glaciation, as the lobe of the Laurentide Ice Sheet began to retreat, some 18 to 20,000 years before pres ...
, post-glacial predecessor to Lake Hitchcock *
Lake Hitchcock Lake Hitchcock was a glacial lake that formed approximately 15,000 years ago in the late Pleistocene epoch. After the Laurentide Ice Sheet retreated, glacial ice melt accumulated at the terminal moraine and blocked up the Connecticut River, cre ...
, post-glacial predecessor to the Connecticut River * List of rivers of Connecticut *
List of rivers of Massachusetts List of rivers of Massachusetts (U.S. state). All Massachusetts rivers flow to the Atlantic Ocean. The list is arranged by drainage basin from north to south, with respective tributaries indented under each larger stream's name, arranged travellin ...
*
List of rivers of New Hampshire This is a list of rivers and significant streams in the U.S. state of New Hampshire. All watercourses named "River" (freshwater or tidal) are listed here, as well as other streams which are either subject to thNew Hampshire Comprehensive Shoreland ...
*
List of rivers of Vermont This is a list of rivers in the U.S. state of Vermont, sorted by drainage basin, and ordered from lower to higher, with the towns at their mouths: Connecticut River The Connecticut River flows south towards Long Island Sound in Connecticut ...


References


Further reading

* * * * * * *


External links

*
Connecticut River Watershed Council

Connecticut River Valley Flood Control Commission

Connecticut River Museum

Connecticut Riverfest

Upper Valley Trails Alliance

Connecticut River Joint Commissions

Tri-state Connecticut River Watershed Initiative
* {{authority control American Heritage Rivers Borders of New Hampshire Borders of Vermont Connecticut placenames of Native American origin Estuaries of Connecticut Geography of New England Long Island Sound Massachusetts placenames of Native American origin New Hampshire placenames of Native American origin Northern Forest Canoe Trail Ramsar sites in the United States Rivers of Connecticut Rivers of Coös County, New Hampshire Rivers of Franklin County, Massachusetts Rivers of Grafton County, New Hampshire Rivers of Hampden County, Massachusetts Rivers of Hampshire County, Massachusetts Rivers of Hartford County, Connecticut Rivers of Massachusetts Rivers of Middlesex County, Connecticut Rivers of New Hampshire Rivers of New London County, Connecticut Rivers of Orange County, Vermont Rivers of Vermont Rivers of Windsor County, Vermont Rivers with fish ladders Vermont placenames of Native American origin Water law in the United States