Dease River (Great Bear Lake)

Dease River
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Data
location	Northwest Territories , Nunavut, Canada
River system	Mackenzie River
Drain over	Great Bear River  → Mackenzie River  → Arctic Ocean
origin	Lac Rouvière 67 ° 12 ′ 34 "  N , 117 ° 30 ′ 13"  W.
Source height	287  m
muzzle	in the Dease Arm ( Großer Bärensee ) Coordinates: 66 ° 53 ′ 1 ″  N , 119 ° 2 ′ 6 ″  W 66 ° 53 ′ 1 ″  N , 119 ° 2 ′ 6 ″  W
Mouth height	156  m
Height difference	131 m
Bottom slope	1.1 ‰
length	120 km
Left tributaries	East River
Location of the Dease River

The Dease River is a tributary of the Great Bear Lake in the Northwest Territories and in the territory of Nunavut in Canada .

It has its origin in Lac Rouvière in the Nunavut territory. From there it flows in a predominantly southwestern direction into the Northwest Territories to the Dease Arm Bay of the Great Bear Lake, into which it flows. At the mouth is the location of Fort Confidence , a former trading post of the Hudson's Bay Company . The Dease River has a length of 120 km.