The Pascagama River is a tributary of Pascagama Lake.

It flows in the Northwest of Quebec, in Canada, in the administrative regions of: Forestry is the main economic activity of this watershed; recreational tourism activities come second.

The surface of the river is usually frozen from early November to the end of April, however, safe ice circulation is generally from early December to mid-April.

From the mouth of Marceau Lake, the Pascagama River flows over 82.5 kilometres (51.3 mi), according to the following segments: The Pascagama River flows on the north shore of Pascagama Lake in the Township of Deschamps to: