Nipissing River

Nipissing River
Location of the mouth of the Nipissing River in Ontario
Location
CountryCanada
OntarioOntario
RegionNortheastern Ontario
DistrictNipissing
PartNipissing, Unorganized South
Physical characteristics
SourceBig Bob Lake
  locationPaxton Township
  coordinates45°46′34″N 79°03′36″W / 45.77611°N 79.06000°W / 45.77611; -79.06000
  elevation449 m (1,473 ft)
MouthCedar Lake on the Petawawa River
  location
Lister Township
  coordinates
46°00′22″N 78°31′01″W / 46.00611°N 78.51694°W / 46.00611; -78.51694
  elevation
308 m (1,010 ft)
Basin features
River systemSaint Lawrence River drainage basin

The Nipissing River is a river in the Saint Lawrence River drainage basin in the Unorganized South Part of Nipissing District in northeastern Ontario, Canada. The river is entirely within Algonquin Provincial Park, and is a left tributary of the Petawawa River.