| Opaoca | |
|---|---|
 Watershed of Nottaway River | |
| Location | |
| Country | Canada |
| Province | Quebec |
| Region | Eeyou Istchee Baie-James (municipality) |
| Physical characteristics | |
| Source | Anorthosite Lake |
| - location | Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec |
| - coordinates | 49°40′53″N77°09′58″W / 49.68139°N 77.16611°W |
| - elevation | 336 m (1,102 ft) |
| Mouth | Olga Lake (Waswanipi River), Waswanipi River |
- location | Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec |
- coordinates | 49°40′53″N77°09′58″W / 49.68139°N 77.16611°W Coordinates: 49°40′53″N77°09′58″W / 49.68139°N 77.16611°W |
- elevation | 256 m (840 ft) |
| Length | 66.6 km (41.4 mi) [1] |
The Opaoca River is a tributary of Olga Lake (Waswanipi River), in Regional County Municipality (RCM) of Eeyou Istchee James Bay (municipality), in the administrative region of Nord-du-Québec, Canadian province of Quebec, in Canada.
The Municipality of Baie-James was a municipality in northern Quebec, Canada, which existed from 1971 to 2012. Located to the east of James Bay, Baie-James covered 297,332.84 km2 (114,800.85 sq mi) of land, making it the largest incorporated municipality in Canada — only eight unorganized territories were larger. Its territory almost entirely covered the administrative region of Jamésie, although it contained less than five percent of the population. Essentially, it was the remainder of the Jamésie Territory's land after all of the major population centres were removed.
Nord-du-Québec is the largest, but the least populous, of the seventeen administrative regions of Quebec, Canada. With nearly 750,000 square kilometres (290,000 sq mi) of land area, and very extensive lakes and rivers, it covers much of the Labrador Peninsula and about 55% of the total land surface area of Quebec, while containing a little more than 0.5% of the population.
Quebec is one of the thirteen provinces and territories of Canada. It is bordered to the west by the province of Ontario and the bodies of water James Bay and Hudson Bay; to the north by Hudson Strait and Ungava Bay; to the east by the Gulf of Saint Lawrence and the province of Newfoundland and Labrador; and to the south by the province of New Brunswick and the U.S. states of Maine, New Hampshire, Vermont, and New York. It also shares maritime borders with Nunavut, Prince Edward Island, and Nova Scotia. Quebec is Canada's largest province by area and its second-largest administrative division; only the territory of Nunavut is larger. It is historically and politically considered to be part of Central Canada.
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The course of the river successively crosses the townships of Bourbaux, Berthiaume, Noyelles, Le Tardif, Comporte and Pouchot.
The hydrographic slope of the Opaoca River is served by various forest roads including the R1026 road (North-South direction). The northern route from Matagami passing at 19.4 kilometres (12.1 mi) to the northwest of the mouth of the Opaoca River. The surface of the river is usually frozen from early November to mid-May, however, safe ice circulation is generally from mid-November to mid-April.
Matagami is a small town in Quebec, Canada. It is located north of Amos, on Matagami Lake, at the northern terminus of Route 109 and the start of the James Bay Road. The town had a population of 1,526 as of the Canada 2011 Census.
