Most of Connecticut's

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

s flow into

Long Island Sound Long Island Sound is a marine sound and tidal estuary of the Atlantic Ocean. It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York to the south. From west to east, the sound stretches from the Eas ...

and from there the waters mix into the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

. A few extremely eastern rivers flow into

Block Island Sound Block Island Sound is a strait in the open Atlantic Ocean, approximately wide, separating Block Island from the coast of mainland Rhode Island. On the west, it extends to Montauk Point on the eastern tip of Long Island, as well as Plum Isl ...

. The list is arranged by drainage basin from east to west, with respective tributaries indented from downstream to upstream under each larger stream's name.

By drainage basin (east to west)

Block Island Sound

Pawcatuck River The Pawcatuck River is a river in the US states of Rhode Island and Connecticut flowing approximately .U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 There are eight dam ...

– easternmost CT river basin **

Shunock River The Shunock River is a river belonging to Connecticut state in the United States of America. It is an eastward flowing river that joins the Pawcatuck River. According to a 1978 study, the lower Shunock River valley had a good potential for sustain ...

**'' Ashaway River (Rhode Island)'' *** Green Fall River **

Wood River Wood River may refer to: Rivers In Canada * Wood River (British Columbia), a tributary of the Columbia River via Kinbasket Lake * Wood River (Saskatchewan), a river in south-west Saskatchewan In Ireland * Wood River (County Clare), Kilru ...

Long Island Sound

Mystic River The Mystic River is a riverU.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 in Massachusetts, in the United States. In Massachusett, means "large estuary," alluding to t ...

** Whitford Brook * Poquonock River *

Thames River The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the R ...

Oxoboxo River The Oxoboxo River, shown on federal maps as Oxoboxo Brook, is a tributary of the Thames River in New London County, Connecticut. It flows roughly in a southeasterly direction from its source at Oxoboxo Lake to its confluence with the Thames. ...

Shetucket River The Shetucket River is a tributary of the Thames River, long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 in eastern Connecticut in the United States. It is formed at ...

***

Quinebaug River The Quinebaug River is a river in south-central Massachusetts and eastern Connecticut, with watershed extending into western Rhode Island. The name "Quinebaug" comes from the southern New England Native American term, spelled variously , , etc ...

****

Pachaug River The Pachaug River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river arising from the Pachaug State Forest at the Connecticut - Rhode Island border and draining in ...

**** Blackwell Brook ****

Moosup River The Moosup River is a river in the U.S. states of Rhode Island and Connecticut. It flows approximately .U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 The river is named af ...

****

Five Mile River The Five Mile River is a river located in Connecticut's Northeast Corner and flows through the towns of Thompson, Putnam, and Killingly.The original Nipmuc name was ''Assawaga'', meaning "place between" or "halfway place". The Assawaga received ...

****

Little River (Quinebaug River tributary) Little River may refer to several places: Australia Streams New South Wales *Little River (Dubbo), source in the Dubbo region, a tributary of the Macquarie River *Little River (Oberon), source in the Oberon Shire, a tributary of Coxs River (Hawk ...

**** French River ***

Little River (Shetucket River tributary) The Little River is a river that runs through the towns of Hampton, Canterbury, Scotland, and Sprague, Connecticut. It begins at Hampton Reservoir in northern Hampton, CT and snakes its way down into the Shetucket River at the town borders of Nor ...

*** Merrick Brook **** Beaver Brook ***

Natchaug River The Natchaug River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river in Windham and Tolland Counties in northeastern Connecticut. The name ''Natchaug'' comes from ...

****

Mount Hope River The Mount Hope River is a river in northeastern section of the U.S. state of Connecticut. The river is formed at the outlet of Morey Pond at the extreme northern end of Ashford, Connecticut, at the border of Union, Connecticut, and flows about ...

*****

Fenton River 300px, Fenton River along the Nipmuck Trail just north of CT Route 44 (UConn Forest) The Fenton River is a major water source for the University of Connecticut that runs through Mansfield, Storrs, and Willington, as well as small parts of W ...

****

Bigelow Brook Bigelow Brook is a river in northeastern Connecticut, flowing from Mashapaug Lake in Union to its confluence with the Still River in Eastford. Bigelow Brook is formed in Union, Connecticut at the outflow of Mashapaug Lake. After leaving the lak ...

**** Still River (Natchaug River tributary) ***

Willimantic River The Willimantic River is a tributary of the Shetucket River, approximately 25 mi (40 km) long in northeastern Connecticut in the New England region of the United States. It is formed in northern Tolland County, near Stafford Springs ...

**** Tenmile River ****

Hop River The Hop River is a river that runs through Tolland County, Connecticut. The Hop River's marshy source is just southeast of Bolton Notch, Connecticut. It flows for about to its confluence with the Willimantic River.U.S. Geological Survey. Nation ...

***** Skungamaug River **

Yantic River The Yantic River forms at the confluence of the Deep River, Sherman Brook, and Exeter Brook about east of Colchester, Connecticut. It runs for and flows into the Shetucket River in Norwich, forming the Thames River.U.S. Geological Survey. Nation ...

Niantic River The Niantic River is a mainly tidal river in eastern Connecticut. It is crossed by the Niantic River Bridge carrying Amtrak's Northeast Corridor. It separates the towns of East Lyme and Waterford "Waterford remains the untaken city" , ma ...

* Pattagansett River * Fourmile River * Threemile River * Black Hall River *

Connecticut River The Connecticut River is the longest river in the New England 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, Canada, and discharges at Long Island ...

** Back River **

Lieutenant River The Lieutenant River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 tidal river located in Old Lyme, Connecticut. It joins the Connecticut River in the estuary, jus ...

** Falls River **

Eightmile River The source of the Eightmile River is a swampy, undeveloped region in the town of East Haddam, Connecticut, centered between Ackley Road, Hall Kilbourne Road, Usher Swamp Road, and Miles Standish Road. The Eightmile River runs for U.S. Geological ...

** Deep River ** Salmon River *** Moodus River *** Blackledge River ***

Jeremy River The Jeremy River, named after Jeremy Adams, begins at a drainage just north of Holbrook Pond about east of Gilead, Connecticut and runs for to the Salmon River in Colchester, Connecticut.U.S. Geological Survey. National Hydrography Dataset hi ...

** Sumner Brook *** Pameacha Creek **

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 ...

***

Coginchaug River The Coginchaug River in Connecticut, with a watershed including 39 sq mi of forests, pastures, farmland, industrial, and commercial areas, is the main tributary of the Mattabesset River. It is 16.1 mi long, and the river flows northwards fro ...

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 ...

*** Tankerhoosen River ** Park River – also known as Hog River and Little River *** North Branch Park River *** South Branch Park River ** Podunk River **

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 ...

*** Pequabu River ****

Pequabuck River The Pequabuck River is a river, approximately 19 miles (30.6 km) in length, which rises in Litchfield County, Connecticut, and courses through neighboring Hartford County before emptying into the Farmington River in Farmington. The river has ...

***

Nepaug River The Nepaug River begins at the confluence of North Nepaug Brook and Cedar Swamp Brook about east of Bakerville, Connecticut. It runs for to the Farmington River about south of Cherry Brook, Connecticut.U.S. Geological Survey. National Hydrogra ...

**** Poland River *** East Branch Farmington River ****

Hubbard River The Hubbard River, long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 is part of the Farmington River watershed. It flows through Connecticut and Massachusetts.

***

West Branch Farmington River 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 ...

**** Still River ***** Mad River **

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 ...

*** Watchaug River *

Patchogue River The Patchogue River is a mile-long waterway In Patchogue, New York that is lined with a variety of restaurants, marinas, fueling docks, apartment condominiums, and ferry terminals. Description The Patchogue River Inlet joins itself into the co ...

* Menunketesuck River * Indian River (Clinton) *

Hammonasset River The Hammonasset River is formed about southeast of Durham, Connecticut along a gully on the north end of Bunker Hill at about a half mile northeast of the junction of Route 148 and Bunker Hill Road. The river travels for U.S. Geological Survey. ...

* Neck River *

East River The East River is a saltwater tidal estuary in New York City. The waterway, which is actually not a river despite its name, connects Upper New York Bay on its south end to Long Island Sound on its north end. It separates the borough of Queens ...

West River (Guilford) 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 * We ...

Branford River Branford may refer to: *Branford Boase Award, British literary award *Branford Marsalis Quartet, an American jazz band * Operation Branford, a British raid conducted in 1942 during WW2 Places *Branford, Connecticut, a town in the United States * ...

* Farm River *

Quinnipiac River The Quinnipiac River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 long river in the New England region of the United States, located entirely in the state of Conne ...

** Muddy River ** Tenmile River **

* Mill River *

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 ...

** Sargent River * Cove River * Oyster River * Indian River (Milford) * Wepawaug River *

Housatonic River The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United S ...

** Farmill River **

Naugatuck River The Naugatuck 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 Connecticut. Its waters carve out the Naugatuck River Valley in the w ...

*** Mad River **

Halfway River The Halfway River is a tributary of the Peace River in northeastern British Columbia, Canada. The river originates in the Muskwa Ranges at an elevation of . It flows from Robb Lake, between Mount Kenny and Mount Robb, then flows east to Pink Moun ...

Pomperaug River The Pomperaug River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river in the US state of Connecticut. The two main tributaries to the Pomperaug are the Nonnewaug Ri ...

***Nonnewaug River *** Weekeepeemee River ** Pootatuck River **

Shepaug River The Shepaug River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river in western Connecticut, in the United States. The river originates at the south end of the Shepa ...

***

Bantam River The Bantam River is a two-part, southward-flowing stream located in northwest Connecticut in the United States. The full river comprises two streams that flow into and out of Bantam Lake and that are referred to as Bantam Lake Inlet and Bantam Lak ...

*** Marshepaug River ** Still River ** West Aspetuck River *** East Aspetuck River ** Rocky River ** Ten Mile River ** Hollenbeck River ** Blackberry River ***

Whiting River The Whiting River is a stream, about long, in the U.S. state of Alaska and the Canadian province of British Columbia. It enters the waters of Stephens Passage at the Borough of Juneau in the Alaska Panhandle between the mouths of the Taku and St ...

Konkapot River The Konkapot River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 river in southwestern Massachusetts and northern Connecticut. It is a tributary of the Housatonic R ...

Pequonnock River The Pequonnock River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed 2011-04-01. waterway in eastern Fairfield County, Connecticut. Its watershed is located in five communities, w ...

* Ash Creek ** Rooster River * Mill River *

Saugatuck River The Saugatuck River is a river in southwestern Connecticut in the United States. It drains part of suburban and rural Fairfield County west of Bridgeport, emptying into Long Island Sound. , a U.S. Navy oiler that saw service in World War II, wa ...

** West Branch Saugatuck River **

Aspetuck River The Aspetuck 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 Connecticut. The river rises in the hills located in Huntington State Pa ...

Little River Little River may refer to several places: Australia Streams New South Wales *Little River (Dubbo), source in the Dubbo region, a tributary of the Macquarie River * Little River (Oberon), source in the Oberon Shire, a tributary of Coxs River (Haw ...

Norwalk River The Norwalk River is a river in southwestern Connecticut, United States, approximately long.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 The word "Norwalk" comes from t ...

Silvermine River The Silvermine River is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 river that flows through the towns of Norwalk, Wilton and New Canaan, Connecticut. It is spanne ...

* Fivemile River * Noroton River *

Rippowam River The Rippowam River is a river in Fairfield County, Connecticut and Westchester County, New York (United States). It drains a watershed area of and flows for from Ridgefield to Long Island Sound, which it enters in Stamford's harbor. Stream ...

– also known as Mill River in its lower end in Stamford *

Mianus River The Mianus River is a river in Westchester County, New York, and Fairfield County, Connecticut, in the United States. It begins in the town of North Castle, New York (east of Armonk) in a series of ponds at about altitude. Flowing northeast ...

Byram River The Byram River is a river approximately in length,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 in southeast New York and southwestern Connecticut in the United State ...

– Westernmost river basin in Connecticut

New York Harbor

*''

Hudson River The Hudson River is a river that flows from north to south primarily through eastern New York. It originates in the Adirondack Mountains of Upstate New York and flows southward through the Hudson Valley to the New York Harbor between N ...

(New York)'' **''

Croton River The Croton River ( ) is a river in southern New York with three principal tributaries: the West Branch, Middle Branch, and East Branch. Their waters, all part of the New York City water supply system, join downstream from the Croton Falls Rese ...

(New York)'' ***

Titicus River The Titicus River is an river in southwestern Connecticut and southeastern New York that drains into the Titicus Reservoir, part of New York City's water supply system. Part of both the Croton River watershed and the system's Croton Watershed, ...

References

* *

By drainage basin (east to west)

Block Island Sound

Long Island Sound

New York Harbor

References

See also