Lac Quéhillac is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 396 meters.

• Latitude: 46° 52' 57'' North   (decimal: 46.8825614)
• Longitude: 76° 19' 52'' West   (decimal: -76.3310660)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 396 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Quéhillac
• GPS Coordinate Locator Map: Lac Quéhillac Lat/Long