Lac Truite Grise is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 425 meters.

• Latitude: 49° 19' 7'' North   (decimal: 49.3186111)
• Longitude: 73° 18' 41'' West   (decimal: -73.3113889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 425 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Truite Grise
• GPS Coordinate Locator Map: Lac Truite Grise Lat/Long