Rivière à la Loutre crosses the territory of the municipalities of Fugèreville and Saint-Bruno-de-Guigues, in the regional county municipality (MRC) of Témiscamingue, in Abitibi-Témiscamingue, in Quebec, in Canada.

The neighboring watersheds of the Rivière à la Loutre are: The main tributary of the Rivière à la Loutre is the Laverlochère River (coming from the east).

Along its course, the Rivière à la Loutre collects several agricultural streams and passing just south of the village of Fugèreville.

Its mouth is located at 229 m (751 ft) of altitude in the sixth rang of Fugèreville.

The toponym Rivière à la Loutre was made official on December 5, 1968, at the Commission de toponymie du Québec.