Lac Fontanges is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 443 meters.

• Latitude: 54° 37' 40'' North   (decimal: 54.6277778)
• Longitude: 71° 7' 19'' West   (decimal: -71.1219444)
• Topography Feature Category: Lake
• Geographical Feature: Partie de réservoir
• Canadian Province/Territory: Quebec
• Elevation: 443 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Fontanges
• GPS Coordinate Locator Map: Lac Fontanges Lat/Long