Lac Quasi is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 374 meters.

• Latitude: 47° 12' 49'' North   (decimal: 47.2136111)
• Longitude: 76° 48' 40'' West   (decimal: -76.8111111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 374 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Quasi
• GPS Coordinate Locator Map: Lac Quasi Lat/Long