Waswanipi River

Waswanipi
Watershed of Nottaway River
Location
CountryCanada
ProvinceQuebec
RegionEeyou Istchee Baie-James (municipality)
Physical characteristics
SourceConfluence of Chibougamau River and Opawica River
  locationEeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec
  coordinates49°41′07″N 75°57′49″W / 49.68528°N 75.96361°W / 49.68528; -75.96361
  elevation276 m (906 ft)
MouthMatagami Lake
  location
Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec
  coordinates
49°53′28″N 77°15′21″W / 49.89111°N 77.25583°W / 49.89111; -77.25583
  elevation
256 m (840 ft)
Length139.4 km (86.6 mi)
Basin size31,900 km2 (12,300 sq mi)
Basin features
Tributaries 
  left(from the mouth) Opaoca River (via Olga Lake (Waswanipi River)), Little Waswanipi River, Iserhoff River (via Lake Waswanipi), O'Sullivan River (via Lake Waswanipi), Bachelor River, Opawica River
  right(from the mouth) Chensagi River (via Maicasagi Lake), Maicasagi River (via Maicasagi Lake), Chibougamau River

The Waswanipi River is a tributary of Matagami Lake. The Waswanipi River flows in the Municipality of Eeyou Istchee Baie-James in the administrative region of Nord-du-Québec, in Quebec, Canada.