Lac de Gras

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Lac de Gras
Location Northwest Territories
Coordinates 64°30′N 110°30′WCoordinates: 64°30′N 110°30′W
Primary outflows Coppermine River
Basin countries Canada
Max. length 60 km
Max. width 16 km
Max. depth 56 m
Shore length1 740 km
1 Shore length is not a well-defined measure.

Lac de Gras is a lake approximately 300 km north of Yellowknife, Northwest Territories, Canada. 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, and Diavik Diamond Mine.

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, cisco, common whitefish, arctic grayling, burbot, longnose sucker, and slimy sculpin.

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