Ruisseau Dempsey is a River located in Coteau-du-Lac; Vaudreuil-Soulanges, Quebec and has an elevation of 38 meters.

• Latitude: 45° 16' 13'' North   (decimal: 45.2703198)
• Longitude: 74° 11' 53'' West   (decimal: -74.1979522)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 38 meters
• Location: Coteau-du-Lac; Vaudreuil-Soulanges
• Atlas of Canada Locator Map: Ruisseau Dempsey
• GPS Coordinate Locator Map: Ruisseau Dempsey Lat/Long