Ruisseau Dumas is a River located in Saint-Jean-sur-Richelieu; Le Haut-Richelieu, Quebec.

• Latitude: 45° 21' 39'' North   (decimal: 45.3608733)
• Longitude: 73° 13' 15'' West   (decimal: -73.2209659)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Saint-Jean-sur-Richelieu; Le Haut-Richelieu
• Atlas of Canada Locator Map: Ruisseau Dumas
• GPS Coordinate Locator Map: Ruisseau Dumas Lat/Long