The Champlain Valley is a region of the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

around

Lake Champlain Lake Champlain ( ; , ) is a natural freshwater lake in North America. It mostly lies between the U.S. states of New York (state), New York and Vermont, but also extends north into the Canadian province of Quebec. The cities of Burlington, Ve ...

Vermont Vermont () is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York (state), New York to the west, and the Provinces and territories of Ca ...

and New York extending north slightly into

Quebec Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

. It is part of the

St. Lawrence River The St. Lawrence River (, ) is a large international river in the middle latitudes of North America connecting the Great Lakes to the North Atlantic Ocean. Its waters flow in a northeasterly direction from Lake Ontario to the Gulf of St. Lawren ...

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

, drained northward by the

Richelieu River The Richelieu River () is a river of Quebec, Canada, and a major right-bank tributary of the St. Lawrence River. It rises at Lake Champlain, from which it flows northward through Quebec and empties into the St. Lawrence. It was formerly kno ...

into the St. Lawrence at

Sorel-Tracy Sorel-Tracy (; ) is a city in southwestern Quebec, Canada and the geographical end point of the Champlain Valley. It is located at the confluence of the Richelieu River and the St. Lawrence River, on the western edge of Lac Saint-Pierre, down ...

, Quebec (northeast of

Montreal Montreal is the List of towns in Quebec, largest city in the Provinces and territories of Canada, province of Quebec, the List of the largest municipalities in Canada by population, second-largest in Canada, and the List of North American cit ...

). The Richelieu valley is not generally referred to as part of the Champlain Valley. The Champlain Lake Valley is the most heavily populated region in Vermont, broadly stretching eastward from the lake's shore to the base of the

Green Mountains The Green Mountains are a mountain range in the U.S. state of Vermont and are a subrange of the Appalachian Mountains. The range runs primarily south to north and extends approximately from the border with Massachusetts to the border with Que ...

. The state's largest city, Burlington, is located on the lake, and the city's associated suburban communities encompass part of the central section of the valley. Beyond urbanized Chittenden County, however, the valley's landscape is primarily open pasture and row crops, making the Champlain Valley the most productive agricultural region of Vermont. The New York portion of the Champlain Valley includes the eastern portions of Clinton County and Essex County. Most of this area is part of the

Adirondack Park The Adirondack Park is a park in northeastern New York (state), New York protecting the Adirondack Mountains. The park was established in 1892 for "the free use of all the people for their health and pleasure", and for watershed protection. At , ...

, offering tremendous views of the

Adirondack High Peaks The Adirondack High Peaks are a set of 46 mountain peaks in the Adirondack Mountains of New York (state), New York state. They have been popular hiking destinations since the late 1920s, when the list of peaks was published in Russell Carson's bo ...

region and many recreational opportunities in the park and along the relatively undeveloped coast line of Lake Champlain. The city of Plattsburgh is to the north, and the historic town of Ticonderoga is in the southern part of the region. The northern part of Lake George is located at, and near Ticonderoga, and therefore is a part of the Champlain Valley.

Geology and physiography

The Champlain Valley is among the northernmost valleys considered part of the Great Appalachian Valley reaching from Canada to

Alabama Alabama ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South, Deep Southern regions of the United States. It borders Tennessee to the north, Georgia (U.S. state), Georgia to the east, Florida and the Gu ...

. The Champlain Valley is a physiographic section of the larger Saint Lawrence Valley province, which in turn is part of the larger Appalachian physiographic division. In Vermont, the Champlain Valley is equivalent to the Vermont Lowlands physiographic region, and extends southward into the Valley of Vermont. The Vermont Lowlands are primarily underlain by sedimentary rocks, especially

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

and

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of Clay mineral, clay minerals (hydrous aluminium phyllosilicates, e.g., Kaolinite, kaolin, aluminium, Al2Silicon, Si2Oxygen, O5(hydroxide, OH)4) and tiny f ...

, though metamorphic rocks such as

marble Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO3) or Dolomite (mineral), dolomite (CaMg(CO3)2) that have recrystallized under the influence of heat and pressure. It has a crystalline texture, and is ty ...

and

slate Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic ro ...

are also present. Lake Champlain is situated in the Champlain Valley between the

and the

Adirondack Mountains The Adirondack Mountains ( ) are a massif of mountains in Northeastern New York which form a circular dome approximately wide and covering about . The region contains more than 100 peaks, including Mount Marcy, which is the highest point in Ne ...

of New York, drained northward by the

into the

(northeast of

). Major tributaries of Lake Champlain include Otter Creek and the Winooski, Missisquoi, and Lamoille rivers in Vermont, and the Ausable, Chazy, Boquet, and Saranac rivers in New York. Lake Champlain also receives water from Lake George via the La Chute River

Geology and physiography

References

See also