Grosse prairie de Castors is a Low vegetation located in Déléage; La Vallée-de-la-Gatineau, Quebec and has an elevation of 243 meters.

• Latitude: 46° 23' 35'' North   (decimal: 46.3930556)
• Longitude: 75° 49' 38'' West   (decimal: -75.8272222)
• Topography Feature Category: Low vegetation
• Geographical Feature: Marécage
• Canadian Province/Territory: Quebec
• Elevation: 243 meters
• Location: Déléage; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Grosse prairie de Castors
• GPS Coordinate Locator Map: Grosse prairie de Castors Lat/Long