Ruisseau des Dix-Huit Milles is a River located in Mont-Alexandre; Le Rocher-Percé, Quebec and has an elevation of 226 meters.

• Latitude: 48° 28' 10'' North   (decimal: 48.4695000)
• Longitude: 64° 45' 49'' West   (decimal: -64.7634954)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 226 meters
• Location: Mont-Alexandre; Le Rocher-Percé
• Atlas of Canada Locator Map: Ruisseau des Dix-Huit Milles
• GPS Coordinate Locator Map: Ruisseau des Dix-Huit Milles Lat/Long