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Lake Profile

Great Bear Lake

General Information

Description Great Bear is the ninth largest lake in the world by volume. It is relatively pristine by global lake standards, and lies within the Arctic Circle. It is the largest lake in Canada, followed closely by Great Slave Lake.
Country Canada
Latitude 66° 0' 0" (66.0000)
Longitude -120° 0' 0" (-120.0000)
River Basin Mackenzie


 Largest Lakes in the World by Area (LakeNet Explorer 2004)
 Largest Lakes of the World by Volume (LakeNet Explorer 2004)

Physical Characteristics

Volume 2,292.00 km3
Surface Area 31,000.00 km2
Depth Mean depth: 72.0 m
Maximum depth: 413.0 m
Residence Time 110.0 years
Origin Glacial
Type Fresh
Catchment Catchment size: 104,200.00 km2
Catchment/surface area ratio: 3:1


Economic Value
Major Cities

Watershed Management


Biodiversity Conservation

Designations LakeNet Biodiversity Priority
Species of Concern


LakeNet News, Winter 2003-2004 (PDF)  Newsletter. Final. English. 12/20/2003.


Biodiversity Conservation of the World's Lakes: A Preliminary Framework for Identifying Priorities
Climate change and Canada's water resources: predicting the future
GEMStat - Global Water Quality Data and Statistics
ILEC Database
Mackenzie River Basin map & information

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.
International Lake Environment Committee, the United Nations Environment Program and Environment Agency, Government of Japan. 1997. World Lakes Database.

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