Lac Hefer is a Lake located in Réservoir-Dozois; Vallée-de-l'Or, Quebec and has an elevation of 365 meters.

• Latitude: 47° 39' 16'' North   (decimal: 47.6544444)
• Longitude: 77° 25' 44'' West   (decimal: -77.4288889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 365 meters
• Location: Réservoir-Dozois; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Hefer
• GPS Coordinate Locator Map: Lac Hefer Lat/Long