Lac de la Grosse Belette is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 47' 30'' North   (decimal: 49.7917289)
• Longitude: 72° 14' 38'' West   (decimal: -72.2439761)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac de la Grosse Belette
• GPS Coordinate Locator Map: Lac de la Grosse Belette Lat/Long