Lake Wahtopanah

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Lake Wahtopanah
Location Rural Municipality of Daly / Rural Municipality of Saskatchewan, Manitoba
Coordinates 50°03′55″N 100°10′20″W / 50.06528°N 100.17222°W / 50.06528; -100.17222Coordinates: 50°03′55″N 100°10′20″W / 50.06528°N 100.17222°W / 50.06528; -100.17222
Type Artificial lake
Catchment area 1,260 sq mi (3,300 km2)
Basin countries Canada
Max. length 6 mi (9.7 km)
Max. width 2,000 ft (610 m)
Surface area 1,580 acres (6.4 km2)
Max. depth 50 ft (15 m)
Water volume 24,500 acre·ft (30,200,000 m3)
Surface elevation 1,536 ft (468 m)

Lake Wahtopanah, also known as Rivers Reservoir, is a lake on the Little Saskatchewan River near the town of Rivers, Manitoba. Its dam was built by the Prairie Farm Rehabilitation Administration in 1960 to supplement water supplies for irrigation. It also provides the water supply for the town of Rivers, stock watering and recreation. The reservoir is about 2,000 feet (610 m) wide and six miles (10 km) long. The deepest point is about 50 feet (15 m). Riparian flows are regulated by a four-foot square gated conduit. High flows pass over a 110-foot (34 m) wide concrete chute spillway. The reservoir stores about 24,500 acre feet (30,200,000 m3) and covers an area of about 1,580 acres (6.4 km2). The drainage area is about 1,260 square miles (3,300 km2) and extends well into Riding Mountain National Park. The province maintains a park and campground on the west shore. The name is an alternate form of the Native word watopapinah meaning "canoe people".[1]


  1. ^ Hodges, F.W. (1971). Handbook of Indians of Canada published as an appendix to the tenth report of the Geographic Board of Canada. Coles.