Lac La Justone is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec and has an elevation of 615 meters.

• Latitude: 52° 52' 48'' North   (decimal: 52.8799999)
• Longitude: 68° 26' 20'' West   (decimal: -68.4388888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 615 meters
• Location: Rivière-Mouchalagane; Caniapiscau
• Atlas of Canada Locator Map: Lac La Justone
• GPS Coordinate Locator Map: Lac La Justone Lat/Long