Lac Gagnon is a Lake located in Mont-Saint-Michel; Antoine-Labelle, Quebec and has an elevation of 301 meters.

• Latitude: 46° 48' North   (decimal: 46.7999999)
• Longitude: 75° 24' West   (decimal: -75.4000000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 301 meters
• Location: Mont-Saint-Michel; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Gagnon
• GPS Coordinate Locator Map: Lac Gagnon Lat/Long