Décharge du Lac Castor is a River located in Saint-Paulin; Maskinongé, Quebec and has an elevation of 189 meters.

• Latitude: 46° 25' 44'' North   (decimal: 46.4289178)
• Longitude: 73° 3' 26'' West   (decimal: -73.0573488)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 189 meters
• Location: Saint-Paulin; Maskinongé
• Atlas of Canada Locator Map: Décharge du Lac Castor
• GPS Coordinate Locator Map: Décharge du Lac Castor Lat/Long