Lake Saint Francis (french: lac Saint-François) is a

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

which borders southeastern

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...

, southwestern

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 thirte ...

and northern

New York State New York, officially the State of New York, is a state in the Northeastern United States. It is often called New York State to distinguish it from its largest city, New York City. With a total area of , New York is the 27th-largest U.S. sta ...

. It is located on the

Saint Lawrence River The St. Lawrence River (french: Fleuve Saint-Laurent, ) is a large river in the middle latitudes of North America. Its headwaters begin flowing from Lake Ontario in a (roughly) northeasterly direction, into the Gulf of St. Lawrence, connecting ...

between

Lake Ontario Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north, west, and southwest by the Canadian province of Ontario, and on the south and east by the U.S. state of New York. The Canada–United States border sp ...

and

Montreal Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple- ...

, Quebec. The lake forms part of the Saint Lawrence Seaway. The city of

Salaberry-de-Valleyfield Salaberry-de-Valleyfield is a city in southwestern Quebec, Canada, in the Regional County Municipality of Beauharnois-Salaberry. The population as of 2019 was 42,410. Situated on Grande-Île, an island in the Saint Lawrence River, it is borde ...

is located at the east end of the lake. Lac Saint-François National Wildlife Area, located on the south shore of the lake, protects wetlands located on the shores of the lake. This area provides important habitat for Redhead ducks and other waterfowl. Thousands of migrating waterfowl stop over in this region. In 1987, it was recognized as a

wetland A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (Anoxic waters, anoxic) processes prevailing, especially in t ...

of international significance under 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 sites (wetlands). It is also known as the Convention on Wetlands. It ...

. The Charlottenburgh Marsh, including Cooper Marsh, is an important wetland area located on the north shore of the lake.

References

External links

St-Francis Jigger
{{authority control Saint Francis Saint Francis Landforms of the United Counties of Stormont, Dundas and Glengarry Ramsar sites in Ontario Borders of Quebec Borders of Ontario Canada–United States border Tourist attractions in Montérégie Saint Lawrence River Le Haut-Saint-Laurent Regional County Municipality Vaudreuil-Soulanges Regional County Municipality