Great Bear Lake on the Arctic Circle, Canada – May 28th, 201066.0N 121W
Great Bear Lake, covered in ice, to the right, is the largest lake entirely within Canada (Lake Superior and Lake Huron straddling the Canada-US border are larger). It is the third largest in North America, and the seventh largest in the world.
The lake is situated on the Arctic Circle between 65 and 67 degrees of northern latitude and between 118 and 123 degrees western longitude, 186 m (610 ft) above sea level. It empties through the Great Bear River (Sahtúdé) into the Mackenzie River.
Great Bear Lake has a surface area of 31,153 km2 (12,028 sq mi) and a total volume of 2,236 km3 (536 cu mi). Its maximum depth is 446 m (1,463 ft) and its average depth 71.7 m (235 ft). The total shoreline is 2,719 km (1,690 mi) and the total catchment area of the lake is 114,717 km2 (44,292 sq mi).