Lac à la Mousse is a Lake located in Grandes-Piles; Mékinac, Quebec and has an elevation of 338 meters.

• Latitude: 46° 47' 8'' North   (decimal: 46.7855555)
• Longitude: 72° 39' 15'' West   (decimal: -72.6541666)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 338 meters
• Location: Grandes-Piles; Mékinac
• Atlas of Canada Locator Map: Lac à la Mousse
• GPS Coordinate Locator Map: Lac à la Mousse Lat/Long