Lac à Gagnon is a Lake located in Saint-Donat; La Mitis, Quebec and has an elevation of 184 meters.

• Latitude: 48° 28' 3'' North   (decimal: 48.4675400)
• Longitude: 68° 15' 45'' West   (decimal: -68.2625181)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 184 meters
• Location: Saint-Donat; La Mitis
• Atlas of Canada Locator Map: Lac à Gagnon
• GPS Coordinate Locator Map: Lac à Gagnon Lat/Long