The Rivière au Saumon (English: Salmon River) is a tributary of the northeast shore of James Bay, flowing in the municipality of Baie-James, in the administrative region from Nord-du-Québec, in the province of Quebec, in Canada.

This northern area of Quebec does not have passable roads.

[1][2] The Salmon River originates at the mouth of an unidentified lake (length: 1.0 km (0.62 mi); altitude: 29.5 m (97 ft)) in the northwest part of the territory from Baie-James.

This source is located at: From its source, the Salmon River flows over 25.8 km (16.0 mi) with a drop of 29.6 m (97 ft), towards the southwest in parallel with the east bank of the Hudson Bay at a distance of approximately 8.0 km (5.0 mi), according to the following segments: The Rivière au Salmon flows into the bottom of a bay on the northeast shore of James Bay.

This confluence is located at: The toponym “Rivière au Saumon” was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.