The Lesser Slave Watershed


With a  total surface area of approximately 1,150 kmLesser Slave Lake (LSL) is the third largest lake in the province. It is a popular tourist destination and a designated Important Bird Area. The lake is a source of water for agriculture, domestic and municipal uses, forestry and recreation/tourism. 

No matter which part of the lake you're on you'll be sure to find amazing beaches, campgrounds, parks and recreation opportunities. Also located along the shorelines are many of our areas communities; the Town of Slave Lake, the village of Kinuso, the hamlets of Grouard, Joussard, Faust and Canyon Creek ans well as the Kapawe’no, Sucker Creek, Driftpile, Swan River, and Sawridge First Nations are all located on the lake.

Lesser Slave Lake has long been a meeting place for Indigenous peoples, the land and waters that surround this area are rich in fish, wildlife, and full of places with cultural significance. 

The lake is fed by various tributary rivers entering at Buffalo Bay. The three largest tributaries are the Driftpile, Swan and Assineau Rivers. Many small creeks and intermittent streams also flow into the lake. Outflow is on the east end of the lake via the Lesser Slave River, which joins the Athabasca River about 75 km downstream.

For more information on the science side of things you can look  at some of the technical studies that have been completed over the years here.