Fond du Lac River (Mackenzie River)

The Fond du Lac River is one of the upper branches of the Mackenzie River system, draining into the Arctic Ocean in Canada. The river is 277 kilometers long from its source, Wollaston Lake to its outflow into Black Lake, just above Lake Athabasca in northern Saskatchewan. Its watershed is 66,800 square kilometers, and its mean discharge is 300 cubic metres per second.