La Grande Décharge is a River located in Richelieu; Rouville, Quebec and has an elevation of 34 meters.

• Latitude: 45° 23' 5'' North   (decimal: 45.3847614)
• Longitude: 73° 15' 2'' West   (decimal: -73.2506888)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 34 meters
• Location: Richelieu; Rouville
• Atlas of Canada Locator Map: La Grande Décharge
• GPS Coordinate Locator Map: La Grande Décharge Lat/Long