Charron Lake is a freshwater body of the Lac-Ashuapmushuan, Quebec unorganized territory in the northwestern part of the Regional County Municipality (RCM) Le Domaine-du-Roy, in the administrative region of Saguenay-Lac-Saint-Jean, in province of Quebec, in Canada.

Forestry is the main economic activity of the sector.

The forest road route 167 linking Chibougamau to Saint-Félicien, Quebec passes on the west shore of Charron Lake.

The Canadian National Railway runs along this road.

The surface of Charron Lake is usually frozen from early November to mid-May, however, safe ice circulation is generally from mid-November to mid-April.