Lac Castor is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 562 meters.

• Latitude: 48° 23' 32'' North   (decimal: 48.3922222)
• Longitude: 73° 53' 42'' West   (decimal: -73.895)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Elevation: 562 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Castor
• GPS Coordinate Locator Map: Lac Castor Lat/Long