La Grande Fosse aux Saumons is a Lake located in Grande-Rivière; Le Rocher-Percé, Quebec.

• Latitude: 48° 27' 8'' North   (decimal: 48.4522000)
• Longitude: 64° 30' 5'' West   (decimal: -64.5014000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Grande-Rivière; Le Rocher-Percé
• GPS Coordinate Locator Map: La Grande Fosse aux Saumons Lat/Long