Ruisseau Dumas is a River located in Saint-Adalbert; L'Islet, Quebec and has an elevation of 359 meters.

• Latitude: 46° 50' 59'' North   (decimal: 46.8497446)
• Longitude: 69° 50' 35'' West   (decimal: -69.8431168)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 359 meters
• Location: Saint-Adalbert; L'Islet
• Atlas of Canada Locator Map: Ruisseau Dumas
• GPS Coordinate Locator Map: Ruisseau Dumas Lat/Long