Cours d'eau du Castor is a River located in Saint-Germain; Kamouraska, Quebec.

• Latitude: 47° 35' 24'' North   (decimal: 47.5900213)
• Longitude: 69° 49' 27'' West   (decimal: -69.8242224)
• Topography Feature Category: River
• Geographical Feature: Cours d'eau agricole
• Canadian Province/Territory: Quebec
• Location: Saint-Germain; Kamouraska
• Atlas of Canada Locator Map: Cours d'eau du Castor
• GPS Coordinate Locator Map: Cours d'eau du Castor Lat/Long