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Opinaca Reservoir is a lake in the northwest of the province of Quebec in Canada. It is located 140 km east of James Bay, south of the Robert-Bourassa Reservoir and south of Lac Sakami. It is connected by a 41 km narrows to the Eastmain Reservoir located east.
| Opinaca Reservoir | |
|---|---|
  Opinaca Reservoir Location in Quebec | |
| Location | Nord-du-Québec, Quebec |
| Coordinates | 52°38′58″N 76°19′54″W |
| Primary inflows | Opinaca River |
| Primary outflows | Opinaca River |
| Catchment area | 30,000 km2 (12,000 sq mi) |
| Basin countries | Canada |
| Surface area | 1,040 km2 (400 sq mi) |
| Average depth | 8.2 m (27 ft) |
| Max. depth | 51 m (167 ft) |
| Water volume | 8.5 km3 (6,900,000 acre⋅ft) |
| Residence time | 0.34 years |
| Shore length1 | 2,200 km (1,400 mi) |
| Surface elevation | 216 m (709 ft) |
| Frozen | December to May |
| References | [1][2][3][4] |
| 1 Shore length is not a well-defined measure. | |
Opinaca Reservoir is a reservoir of the James Bay Project with an elevation of 216 m (709 ft) and an area of 1,040 km2 (400 sq mi).[4]
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