Lac des Grandes Gueules is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 541 meters.

• Latitude: 48° 21' 58'' North   (decimal: 48.3661111)
• Longitude: 73° 0' 39'' West   (decimal: -73.0108333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 541 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac des Grandes Gueules
• GPS Coordinate Locator Map: Lac des Grandes Gueules Lat/Long