Lac Gagnon is a Lake located in Laforce; Témiscamingue, Quebec and has an elevation of 301 meters.

• Latitude: 47° 31' 34'' North   (decimal: 47.5261111)
• Longitude: 78° 36' 0'' West   (decimal: -78.6)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 301 meters
• Location: Laforce; Témiscamingue
• Atlas of Canada Locator Map: Lac Gagnon
• GPS Coordinate Locator Map: Lac Gagnon Lat/Long