The Great Bear Lake is a large lake located in the Northwest Territories of Canada. It is the fourth largest lake in North America, and the eighth largest in the world. It is known for its crystal clear waters and abundance of fish, making it a popular destination for fishing and recreational activities.
From Wikipedia
Great Bear Lake in the boreal forest of Canada is the largest lake entirely in Canada, the fourth-largest in North America, and the eighth-largest in the world. The lake is in the Northwest Territories, on the Arctic Circle between 65 and 67 degrees of northern latitude and between 118 and 123 degrees western longitude, 156 m (512 ft) above sea level. It drains into the Great Bear River, thence into the Mackenzie River.