Ruisseau Grand Tronc is a River located in Saint-Louis-de-Gonzague; Beauharnois-Salaberry, Quebec and has an elevation of 39 meters.

• Latitude: 45° 13' 25'' North   (decimal: 45.2236522)
• Longitude: 73° 58' 8'' West   (decimal: -73.9687728)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 39 meters
• Location: Saint-Louis-de-Gonzague; Beauharnois-Salaberry
• Atlas of Canada Locator Map: Ruisseau Grand Tronc
• GPS Coordinate Locator Map: Ruisseau Grand Tronc Lat/Long