Lake Claire

Lake Claire is the largest lake which is entirely in Alberta, Canada. It is located entirely in Wood Buffalo National Park, west of Lake Athabasca. It lies between the mouths of Peace River and Athabasca River, and is part of the Peace-Athabasca Delta system.

The lake has a total area of 1,436 km2, with 21 km2 island area, and lies at an elevation of 213 m. It is the largest lake located entirely within Albertan boundaries. Lake Athabasca, which straddles the border with Saskatchewan, is larger.

The lake is fed by Birch River and McIvor River, and the lake system also contains Baril Lake and Mamawi Lake.

Source: Wikipedia