Lac de Gras is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 approximately 300 km north of Yellowknife

Yellowknife, Northwest Territories

Yellowknife is the capital and largest city of the Northwest Territories , Canada. It is located on the northern shore of Great Slave Lake, approximately south of the Arctic Circle, on the west side of Yellowknife Bay near the outlet of the Yellowknife River...

, Northwest Territories

Northwest Territories

The Northwest Territories is a federal territory of Canada.Located in northern Canada, the territory borders Canada's two other territories, Yukon to the west and Nunavut to the east, and three provinces: British Columbia to the southwest, and Alberta and Saskatchewan to the south...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. Lac de Gras was the centre of the Canadian diamond rush of the 1990s. There are two working diamond mines in the area, Ekati Diamond Mine

Ekati Diamond Mine

The EKATI Diamond Mine is Canada's first surface and underground diamond mine. It is located north-east of Yellowknife, Northwest Territories, and about south of the Arctic circle, near Lac de Gras. EKATI is a joint venture between BHP Billiton Canada Inc...

, and Diavik Diamond Mine

Diavik Diamond Mine

The Diavik Diamond Mine is a diamond mine in the North Slave Region of the Northwest Territories, Canada, about north of Yellowknife.It has become an important part of the regional economy, employing 700, grossing C$100 million in sales, and producing 8 million carats of diamonds annually...

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It was called Ekati by aboriginal peoples. It is 60 kilometres long, with an average width of 16 kilometres and 740 kilometres of shoreline. It has a maximum depth of 56 metres. Native fish species include lake trout

Lake trout

Lake trout is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, lake char , touladi, togue, and grey trout. In Lake Superior, they can also be variously known as siscowet, paperbellies and leans...

, cisco

Cisco (fish)

The ciscoes are salmonid fish of the genus Coregonus that differ from other members of the genus in having upper and lower jaws of approximately equal length and high gillraker counts...

, common whitefish

Common whitefish

Coregonus lavaretus is a species of freshwater whitefish, in the family Salmonidae. It is the type species of its genus Coregonus.There are widely different concepts about the number of species in the genus Coregonus and the delimitation of the species Coregonus lavaretus.-Lavaret:In a narrow...

, arctic grayling

Arctic grayling

Arctic grayling is a species of freshwater fish in the salmon family of order Salmoniformes. It comprises five subspecies native to the Nearctic and Palearctic ecozones. T. a. arcticus is widespread throughout the Arctic and Pacific drainages in Canada, Alaska, and Siberia, as well as the upper...

, burbot

Burbot

The burbot is the only gadiform fish inhabiting freshwaters. It is also known as mariah, the lawyer, and eelpout. It is closely related to the marine common ling and the cusk...

, longnose sucker

Longnose sucker

The longnose sucker, Catostomus catostomus, is a freshwater species of fish inhabiting cold, clear waters in North America from northern USA to the top of the continent. In addition, it is one of two species of sucker to inhabit Asia, specifically the rivers of eastern Siberia...

, and slimy sculpin

Slimy Sculpin

The slimy sculpin, Cottus cognatus, is a freshwater species of fish that inhabits cool, rocky streams, rivers and lakes throughout northern North America and eastern Siberia. The slimy sculpin is found in freshwater and sometimes brackish water in areas with rocky or gravel type bottoms...

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See also

• List of lakes in the Northwest Territories