Décharge du Lac des Roches is a River located in Saint-Marcel; L'Islet, Quebec and has an elevation of 468 meters.

• Latitude: 46° 56' 7'' North   (decimal: 46.9353001)
• Longitude: 70° 5' 6'' West   (decimal: -70.0850659)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 468 meters
• Location: Saint-Marcel; L'Islet
• Atlas of Canada Locator Map: Décharge du Lac des Roches
• GPS Coordinate Locator Map: Décharge du Lac des Roches Lat/Long