Mississagi River
| Mississagi River | |
| River | |
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| Name origin: misi-zaagi, "river with a wide mouth" in Ojibwe | |
| Country | Canada |
|---|---|
| Province | Ontario |
| District | Algoma, Sudbury |
| Part of | Great Lakes Basin |
| Tributaries | |
| - left | Sharpsand River, Rapid River (Algoma District), Little White River |
| - right | Abinette River, Cypress River, Wenebegon River, Aubinadong River, Bolton River |
| Source | Unnamed lake |
| - location | Unorganized, North Part, Sudbury District |
| - elevation | 520 m (1,706 ft) |
| - coordinates | 47°17′57″N 82°39′34″W / 47.29917°N 82.65944°W |
| Mouth | Lake Huron |
| - location | Blind River, Algoma District |
| - elevation | 176 m (577 ft) |
| - coordinates | 46°10′29″N 83°0′58″W / 46.17472°N 83.01611°WCoordinates: 46°10′29″N 83°0′58″W / 46.17472°N 83.01611°W |
| Length | 266 km (165 mi) |
| Basin | 9,250 km2 (3,571 sq mi) |
| Discharge | |
| - average | 11 m3/s (388 cu ft/s) |
  Location of the mouth of the Mississagi River in Ontario
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The Mississagi River is a river in Algoma and Sudbury Districts, Ontario, Canada, that originates in Sudbury District and flows 266 kilometres (165 mi) to Lake Huron at Blind River, Algoma District.
The river's name comes from the Ojibwe misi-zaagi, "river with a wide mouth".
The Mississagi River begins in a small unnamed lake in Sudbury District and flows south 8 kilometres (5 mi) from that point to the border of Algoma District, then southeast through a north-east corner of the district, before returning once again to Sudbury District at White Owl Lake, from which it flows into Mississagi Lake at an elevation of 457 metres (1,499 ft).
The river then turns south and heads to Kettle Lake, the furthest point east it reaches, before continuing south and entering Mississagi River Provincial Park at Upper Bark Lake at an elevation of 446 metres (1,463 ft). The river then continues south and crosses back into Algoma District, where it remains for the rest of its journey to Lake Huron, and enters the large "L"-shaped Bark Lake. It then heads west through Hellgate Rapids, takes in its right tributary the Abinette River at an elevation of 411 metres (1,348 ft), splits into two channels to form an island at 46°56′22″N 82°48′05″W / 46.93944°N 82.80139°W, recombines at 46°55′55″N 82°48′52″W / 46.93194°N 82.81444°W, and enters the large Rocky Island Lake at an elevation of 410 metres (1,345 ft), where the right tributary Cypress River enters. The Mississagi River then flows into Aubrey Lake, partially formed by the Aubrey Falls Generating Station (hydro) and dam, and where the Wenebegon Rivers joins. Not all the water is funnelled into the station, however; some continues to form the Aubrey Falls.
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