Facts about the Mackenzie River.
The wildlife found along the river's edge include snow geese and tundra swans.
The river is flowing or only five months of the year, freezing over in October and the ice melting in May.
Scottish-Canadian explorer Alexander Mackenzie is the one who found the river. Mackenzie traveled the river while trying to reach the Pacific Ocean.
Among the lakes included in the Mackenzie River basin are Great Bear Lake and Lake Athabasca. Rivers commonly included in the Mackenzie system are Arctic Red, Athabasca, Liard, Peace, Slave, and south Nahanni.