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

• Latitude: 49° 35' 12'' North   (decimal: 49.5867149)
• Longitude: 67° 52' 16'' West   (decimal: -67.8711218)
• 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