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Lake Profile

Great Slave

General Information

Description Great Slave Lake is the tenth largest lake in the world by volume. Great Slave is fed by several rivers, the most important being the Slave River. The lake is drained by the MacKenzie River, which drains into the Arctic Ocean.
Country Canada
Latitude 61° 50' 0" (61.8333)
Longitude -114° 0' 0" (-114.0000)
River Basin Mackenzie


 Largest Lakes in the World by Area (LakeNet Explorer 2004)
 Largest Lakes of the World by Volume (LakeNet Explorer 2004)
 Great Slave Lake locator map

Physical Characteristics

Volume 2,088.00 km3
Surface Area 27,000.00 km2
Depth Maximum depth: 614.0 m
Residence Time 8.0 years
Origin Glacial
Type Fresh
Catchment Catchment size: 976,200.00 km2
Catchment/surface area ratio: 36:1


Economic Value
Major Cities

Watershed Management


Biodiversity Conservation

Designations LakeNet Biodiversity Priority
Species of Concern



Arctic grayling: freshwater fish of the northern wilderness
Biodiversity Conservation of the World's Lakes: A Preliminary Framework for Identifying Priorities
Bison Sanctuary Success Story
Climate change and Canada's water resources: predicting the future
GEMStat - Global Water Quality Data and Statistics
Great Slave Lake: pristine or polluted?
ILEC Database
Mackenzie River Basin map & information
Whooping Crane Summer Range: Profile


12/10/2003 - Slave Lake Pulp south shore logging plan raises eyebrows
3/1/2003 - First team crosses Great Slave Lake on foot in winter
10/7/2002 - Canada to create new national park that includes portions of Great Slave Lake

Additional Data Sources

Birkett, C., and I. Mason. 1995. A new global lakes database for remote sensing programme studying climatically sensitive large lakes. Journal of Great Lakes Research, 21 (3) 307-318.
Herdendorf, C. 1982. Large lakes of the world. Journal of Great Lakes Research 8:379-412.
International Lake Environment Committee, the United Nations Environment Program and Environment Agency, Government of Japan. 1997. World Lakes Database.

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