Lac Grouchy is a Lake located in Caniapiscau; Caniapiscau, Quebec and has an elevation of 539 meters.

• Latitude: 54° 47' 39'' North   (decimal: 54.7941667)
• Longitude: 68° 57' 28'' West   (decimal: -68.9577778)
• Topography Feature Category: Lake
• Geographical Feature: Partie de réservoir
• Canadian Province/Territory: Quebec
• Elevation: 539 meters
• Location: Caniapiscau; Caniapiscau
• Atlas of Canada Locator Map: Lac Grouchy
• GPS Coordinate Locator Map: Lac Grouchy Lat/Long