Lacs des Flûtes de Castors is a Lake located in Rivière-Éternité; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 18' 58'' North   (decimal: 48.3161399)
• Longitude: 70° 23' 20'' West   (decimal: -70.3889564)
• Topography Feature Category: Lake
• Geographical Feature: Lacs
• Canadian Province/Territory: Quebec
• Location: Rivière-Éternité; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lacs des Flûtes de Castors
• GPS Coordinate Locator Map: Lacs des Flûtes de Castors Lat/Long