Ruisseau du Castor is a River located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 51° 28' 33'' North   (decimal: 51.4758684)
• Longitude: 68° 11' 41'' West   (decimal: -68.1946990)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Ruisseau du Castor
• GPS Coordinate Locator Map: Ruisseau du Castor Lat/Long