Grande décharge Thiersant is a River located in Saint-Robert; Le Bas-Richelieu, Quebec and has an elevation of 20 meters.

• Latitude: 45° 59' 13'' North   (decimal: 45.9869740)
• Longitude: 72° 56' 40'' West   (decimal: -72.9445690)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 20 meters
• Location: Saint-Robert; Le Bas-Richelieu
• Atlas of Canada Locator Map: Grande décharge Thiersant
• GPS Coordinate Locator Map: Grande décharge Thiersant Lat/Long