Lesser Slave Lake

lake in Alberta, Canada

Key facts

Location: Big Lakes / Lesser Slave River No. 124 , Alberta
Type: Eutrophic
Primary inflows: South Heart River , Swan River Driftpile River , Assineau River , Marten River
Primary outflows: Lesser Slave River
Catchment area: 13,900 km (5,400 sq mi)
Basin countries: Canada
Max length: +100 km (62 mi)
Max width: 15 km (9.3 mi)
Surface area: 1,168 km (451 sq mi)
Average depth: 11.4 m (37 ft)
Max depth: 20.5 m (67 ft)
Water volume: 13.69 km (11.10 × 10 ^ acre⋅ft)

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Article

Lesser Slave Lake is located in northern Alberta, Canada, northwest of Edmonton. It is the second largest lake entirely within Alberta boundaries (and the largest easily accessible by vehicle), covering 1,160 km (450 sq mi) and measuring over 100 km (62 mi) long and 15 km (9.3 mi) at its widest point. Lesser Slave Lake averages 11.4 m (37 ft) in depth and is 20.5 m (67 ft) at its deepest. It drains eastwards into the Athabasca River by way of the Lesser Slave River.

The town of Slave Lake is located at the eastern tip of the lake, around the outflow of Lesser Slave River.