Athabasca River is marked by rapids, impeding navigation southwest of Fort McMurray. The Athabasca River travels before draining into the Peace-Athabasca Delta near Lake Athabasca south of Fort Chipewyan. From there, its waters flow north as Rivière des Rochers, then joining the Peace River to form the Slave River that empties into Great Slave Lake and discharges through the Mackenzie River system into the Arctic Ocean. The cumulative drainage area is . Numerous communities are located on the banks of the Athabasca River, including Jasper, Brule, Entrance, Hinton, Whitecourt, Fort Assiniboine, Smith, Athabasca, Fort McMurray, and Fort McKay. An independent study has
Mackenzie River (Queensland) Ludwig Leichhardt, a German explorer who explored many parts of Queensland and the Northern Territory. Mackenzie River (Queensland) Note: Mackenzie River, Queensland is a locality but has no WP article. The Mackenzie River is a river located in Central Queensland, Australia. The Mackenzie River is a major tributary of the Fitzroy River, part of the largest river catchment flowing to the eastern coast of Australia. Formed by the confluence of the Comet and Nogoa rivers flowing from the Expedition Range, the river rises north of and flows generally north by east towards the Broadsound Range. North of the settlement of