Lac Gueule du Chien is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 49' 9'' North   (decimal: 48.8191667)
• Longitude: 70° 24' 47'' West   (decimal: -70.4130556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Gueule du Chien
• GPS Coordinate Locator Map: Lac Gueule du Chien Lat/Long