Lac de la Grosse Roche is a Lake located in Lac-Supérieur; Les Laurentides, Quebec and has an elevation of 463 meters.

• Latitude: 46° 20' 43'' North   (decimal: 46.3453213)
• Longitude: 74° 37' 37'' West   (decimal: -74.6268422)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 463 meters
• Location: Lac-Supérieur; Les Laurentides
• Atlas of Canada Locator Map: Lac de la Grosse Roche
• GPS Coordinate Locator Map: Lac de la Grosse Roche Lat/Long