Lac de la Descente is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 49° 4' 40'' North   (decimal: 49.0778181)
• Longitude: 70° 46' 38'' West   (decimal: -70.7772957)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac de la Descente
• GPS Coordinate Locator Map: Lac de la Descente Lat/Long