Grand ruisseau des Trente is a River located in Saint-Marc-sur-Richelieu; La Vallée-du-Richelieu, Quebec and has an elevation of 17 meters.

• Latitude: 45° 43' 11'' North   (decimal: 45.7197608)
• Longitude: 73° 11' 39'' West   (decimal: -73.1942967)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 17 meters
• Location: Saint-Marc-sur-Richelieu; La Vallée-du-Richelieu
• Atlas of Canada Locator Map: Grand ruisseau des Trente
• GPS Coordinate Locator Map: Grand ruisseau des Trente Lat/Long