Lac du Castor is a Lake located in Mulgrave-et-Derry; Papineau, Quebec and has an elevation of 247 meters.

• Latitude: 45° 47' 47'' North   (decimal: 45.7964393)
• Longitude: 75° 29' 57'' West   (decimal: -75.4991059)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 247 meters
• Location: Mulgrave-et-Derry; Papineau
• Atlas of Canada Locator Map: Lac du Castor
• GPS Coordinate Locator Map: Lac du Castor Lat/Long