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
Albreda Lake shore of the lake. Albreda Lake Albreda Lake is a lake in Thompson-Nicola Regional District in the Interior region of British Columbia, Canada. It is in the Pacific Ocean drainage basin. The primary inflow, at the northeast, and outflow, at the southeast, is the Albreda River, which flows via the North Thompson River, the Thompson River and the Fraser River to the Pacific Ocean. The locality of Albreda is to the north, and both British Columbia Highway 5 and the Canadian National Railway transcontinental main line (used by freight traffic and the Via Rail "Canadian" train) pass by to the