The Armitage River is a tributary of Chibougamau Lake, flowing in the town of Chibougamau, in Jamésie, in the administrative region of Nord-du-Québec, in the province of Quebec, in Canada. The course of the river flows in the townships of Lemoine and Dollier. The surface of the "Armitage River" is usually frozen from early November to mid-May, however safe ice circulation is generally from mid-November to mid-April.