Largest lakes & reservoirs in Canada by water volume
This is a comparison for lakes within Canada > - Compared by Largest Lakes - Water Volume in acre-foot.For some lakes, "Largest Lakes - Water Volume" is unknown or does not apply, so this table may display fewer lakes than the total 164 articles we have published for Canada lakes.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
Search results: Sort lakes by water volume
Lake name ![]() |
Water vol. in ac-ft ![]() |
Lake description |
---|---|---|
Lake Superior (Canada, Great Lakes, Lake Superior Northwoods Region, Michigan, Midwest, Minnesota, Northeast, Ontario, USA, Upper Peninsula, Wisconsin) |
9,799,680,000 ac-ft | Skipping over state and country borders, Lake Superior, the largest, deepest, coldest, cleanest, least developed, and most pristine of the Great Lakes… |
Lake Michigan-Huron (Canada, Chicagoland, Great Lakes, Illinois, Indiana, Lake Michigan Region, Michigan, Midwest, North, Northeast, Northwest, Ontario, Southwest, USA, Upper Peninsula, West Central, Wisconsin) |
6,858,776,000 ac-ft | Lake Michigan and Lake Huron – two of North America’s Great Lakes – are contiguous and they share the same elevation of 577 feet above sea level. They… |
Lake Huron (Canada, East Central, Great Lakes, Michigan, Midwest, Northeast, Ontario, USA, Upper Peninsula) |
2,872,320,000 ac-ft | A glacial lake of epic proportions, Lake Huron is the second largest of the five Great Lakes by surface area, boasting 23,010 square miles and an incr… |
Great Bear Lake (Canada, Northwest Territories) |
1,812,754,700 ac-ft | Great Bear Lake is located in the Northwest Territories of Canada. It is a natural lake, encircled by wilderness, and the largest lake completely in C… |
Lake Ontario (Canada, Finger Lakes, Great Lakes, Greater Niagara, Mid-Atlantic, New York, Ontario, Thousand Islands, USA) |
1,328,025,600 ac-ft | Lake Ontario, one of the world’s five Great Lakes, weaves over state and country borders, delighting Americans, Canadians, and visiting tourists with… |
Great Slave Lake (Canada, Northwest Territories) |
1,284,095,982 ac-ft | Great Slave Lake is the fifth-largest lake (by acreage) in North America and, following Great Bear Lake, is the second-largest in Canada. A natural la… |
Lake Erie (Canada, Chautauqua-Allegheny, Great Lakes, Greater Niagara, Michigan, Mid-Atlantic, Midwest, New York, Northeast, Northwest, Ohio, Ontario, Pennsylvania, Southeast, USA) |
391,987,200 ac-ft | Lake Erie, one of the Great Lakes of North America, straddles the borders of Ohio, Pennsylvania, New York, Michigan, and the Canadian province of Onta… |
Gull Lake AB (Alberta, Canada) |
354,221,666 ac-ft | Surrounded by Alberta’s wide-open spaces and endless Canadian skies, Gull Lake is located in Alberta’s Central tourism region. Well situated between E… |
Lake Winnipeg (Canada, Manitoba) |
228,833,000 ac-ft | Lake Winnipeg is a long (271 miles) somewhat shallow outdoor enthusiast’s dream. It’s located some 35 miles north of Winnipeg, Manitoba and is a natur… |
Lake Athabasca (Alberta, Canada, Saskatchewan) |
165,242,878 ac-ft | Lake Athabasca is a 1,939,776-acre lake with a maximum depth of 410 feet making it the largest and deepest lake in both Alberta and Saskatchewan. Appr… |
Lake Mistassini (Canada, Quebec) |
121,606,979 ac-ft | (Also known as Lac Mistassini) Lake Mistassini in Quebec’s James Bay region is the stuff fishing legends are made of. Located 220 miles east of James Bay and over 400 miles north of… |
Manicouagan Reservoir (Canada, Quebec) |
115,121,274 ac-ft | (Also known as Lake Manicouagan, Lac Manicouagan, Lac Mouchalagane) Manicouagan Reservoir is one of the world’s most interesting geological features. This huge annular (circular) lake was shaped by a number of factors,… |