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
Lake Fork Mohican River U.S. Army Corps of Engineers dam causes the river to form Mohicanville Lake. Lake Fork Mohican River The Lake Fork is a tributary of the Mohican River, 14.7 miles (23.7 km) long, in north-central Ohio in the United States. Via the Mohican, Walhonding, Muskingum and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of 344 square miles (891 km²). The Lake Fork is formed by the confluence of the Jerome Fork and the Muddy Fork in southeastern Ashland County, and flows generally south-southwestwardly into northwestern Holmes County, where it joins the Mohican River,