Lac Fafnir is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec and has an elevation of 310 meters.

• Latitude: 47° 12' 50'' North   (decimal: 47.2138889)
• Longitude: 75° 23' 49'' West   (decimal: -75.3969444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 310 meters
• Location: Lac-Douaire; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Fafnir
• GPS Coordinate Locator Map: Lac Fafnir Lat/Long