Lac des Tadornes is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 394 meters.

• Latitude: 49° 53' 10'' North   (decimal: 49.8861111)
• Longitude: 73° 32' 23'' West   (decimal: -73.5397222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 394 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac des Tadornes
• GPS Coordinate Locator Map: Lac des Tadornes Lat/Long