Lac Ascension is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec and has an elevation of 423 meters.

• Latitude: 48° 47' 31'' North   (decimal: 48.7919444)
• Longitude: 71° 14' 53'' West   (decimal: -71.2480556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 423 meters
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Ascension
• GPS Coordinate Locator Map: Lac Ascension Lat/Long