Lac de la Mousse is a Lake located in Saint-Guillaume-Nord; Matawinie, Quebec and has an elevation of 438 meters.

• Latitude: 46° 25' 16'' North   (decimal: 46.4211494)
• Longitude: 73° 50' 27'' West   (decimal: -73.8407022)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 438 meters
• Location: Saint-Guillaume-Nord; Matawinie
• Atlas of Canada Locator Map: Lac de la Mousse
• GPS Coordinate Locator Map: Lac de la Mousse Lat/Long