Ruisseau du Bas des Quarante is a River located in Saint-Basile-le-Grand; La Vallée-du-Richelieu, Quebec and has an elevation of 18 meters.

• Latitude: 45° 30' 17'' North   (decimal: 45.5047619)
• Longitude: 73° 18' 9'' West   (decimal: -73.3026338)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 18 meters
• Location: Saint-Basile-le-Grand; La Vallée-du-Richelieu
• Atlas of Canada Locator Map: Ruisseau du Bas des Quarante
• GPS Coordinate Locator Map: Ruisseau du Bas des Quarante Lat/Long