Lac Gascon is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 445 meters.

• Latitude: 48° 57' 49'' North   (decimal: 48.9636111)
• Longitude: 74° 7' 22'' West   (decimal: -74.1227777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 445 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Gascon
• GPS Coordinate Locator Map: Lac Gascon Lat/Long