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

• Latitude: 48° 43' 42'' North   (decimal: 48.7283662)
• Longitude: 70° 14' 6'' West   (decimal: -70.2350645)
• 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 Vase
• GPS Coordinate Locator Map: Lac de Vase Lat/Long