Lac Gagnon is a Lake located in Saint-David-de-Falardeau; Le Fjord-du-Saguenay, Quebec and has an elevation of 237 meters.

• Latitude: 48° 36' North   (decimal: 48.6000000)
• Longitude: 71° 00' West   (decimal: -70.9999999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 237 meters
• Location: Saint-David-de-Falardeau; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Gagnon
• GPS Coordinate Locator Map: Lac Gagnon Lat/Long