Lac Cousance is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 368 meters.

• Latitude: 49° 20' 28'' North   (decimal: 49.3411111)
• Longitude: 73° 26' 1'' West   (decimal: -73.4336111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 368 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Cousance
• GPS Coordinate Locator Map: Lac Cousance Lat/Long