Lac Gagnon is a Lake located in Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord, Quebec and has an elevation of 27 meters.

• Latitude: 50° 20' 21'' North   (decimal: 50.3392265)
• Longitude: 59° 59' 18'' West   (decimal: -59.9883492)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 27 meters
• Location: Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord
• Atlas of Canada Locator Map: Lac Gagnon
• GPS Coordinate Locator Map: Lac Gagnon Lat/Long