The River Pahunan is a tributary of the Kitchigama River, in the administrative region of Nord-du-Québec, in the Canadian province of Quebec. The course of this river flows in the townships of Grasset, the Forest and Paramé.
This hydrographic slope does have a winter roads going northward. The surface of the river is frozen from November to May.
The main neighboring hydrographic slopes are:
The Pahunan River originates from a small unidentified lake (elevation: ) located at:
From its source in the township of Grasset, the river Pahunan flows on according to the following segments:
The Pahunan River flows into a river bend on the South shore of the Kitchigama River. This confluence is located at:
The toponym "Pahunan River" was made official on December 5, 1968, at the Commission de toponymie du Québec, i.e. at the creation of this commission.