| Upaunan | |
| Map: | Nottaway map.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Eeyou Istchee Baie-James (municipality) |
| Length: | 17.1km (10.6miles)[1] |
| Source1: | Creek of marsh |
| Source1 Location: | Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec |
| Source1 Coordinates: | 50.8242°N -77.1344°W |
| Source1 Elevation: | 269m (883feet) |
| Mouth: | Broadback River |
| Mouth Location: | Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec |
| Mouth Coordinates: | 50.7992°N -77.2472°W |
| Mouth Elevation: | 244m (801feet) |
The Upaunan River is a tributary of the Enistustikweyach River in Regional County Municipality (RCM) of Eeyou Istchee James Bay (municipality) in the administrative region of the Nord-du-Québec, in Canadian province of Quebec, in Canada.
The Upaunan River hydrographic slope has no access road nearby; however, the northern route from Matagami passes to west of the mouth of the Upaunan 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.
The main hydrographic slopes near the Upaunan River are:
The Upaunan River has its source of a stream (elevation:) surrounded by marshes and located at:
From its source, the "Upaunan River" flows on according to the following segments:
Of Cree origin, the toponym "Upaunan River" means: "the river of the camp of the pass".
The toponym "Upaunan River" was formalized on October 5, 1982 at the Commission de toponymie du Québec[3]