Décharge des Douze is a River located in Saint-David; Le Bas-Richelieu, Quebec and has an elevation of 28 meters.

• Latitude: 45° 54' 51'' North   (decimal: 45.9141987)
• Longitude: 72° 49' 27'' West   (decimal: -72.8242886)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 28 meters
• Location: Saint-David; Le Bas-Richelieu
• Atlas of Canada Locator Map: Décharge des Douze
• GPS Coordinate Locator Map: Décharge des Douze Lat/Long