Lac Gagnon is a Lake located in Mont-Albert; La Haute-Gaspésie, Quebec and has an elevation of 577 meters.

• Latitude: 48° 48' 40'' North   (decimal: 48.8111110)
• Longitude: 65° 52' 30'' West   (decimal: -65.8749999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 577 meters
• Location: Mont-Albert; La Haute-Gaspésie
• Atlas of Canada Locator Map: Lac Gagnon
• GPS Coordinate Locator Map: Lac Gagnon Lat/Long