Lac de la Fosse is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 397 meters.

• Latitude: 49° 10' 54'' North   (decimal: 49.1816667)
• Longitude: 73° 33' 4'' West   (decimal: -73.5511111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 397 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac de la Fosse
• GPS Coordinate Locator Map: Lac de la Fosse Lat/Long