Lake Claire (Alberta) contains Baril Lake and Mamawi Lake. The waters are discharged in the Peace River, finding their way to the Arctic Ocean through the Slave River, Great Slave Lake and Mackenzie River. Lake Claire (Alberta) 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 , with island area, and lies at an elevation of . It is the largest
Boats of the Mackenzie River watershed Boats of the Mackenzie River watershed The Mackenzie River in Canada's Northwest Territories is a historic waterway, used for centuries by the original Dene as a travel and hunting corridor. It is part of a larger watershed that includes the Slave, Athabasca, and Peace rivers extending from northern Alberta. In the 1780s, Peter Pond, a trader with the North West Company discovered this watershed and began viable trade with the Athapascan-speaking Dene of these rivers. The Mackenzie River itself, the great waterway extending to the Arctic Ocean, was first put on European maps by Alexander Mackenzie in 1789, the Scottish