There are some two million lakes in Canada, covering about 7.6% of the Canadian landmass. The main lakes, in order of the surface area located in Canada (many large lakes are traversed by the Canada-U.S. border), are Huron, Great Bear, Superior, Great Slave, Winnipeg, Erie and Ontario. The largest lake situated entirely in Canada is Great Bear Lake (31 326 km2) in the Northwest Territories.