Lac du Castor is a Lake located in Saint-Mathieu-du-Parc; Maskinongé, Quebec and has an elevation of 261 meters.

• Latitude: 46° 36' 53'' North   (decimal: 46.6147222)
• Longitude: 72° 58' 50'' West   (decimal: -72.9805555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 261 meters
• Location: Saint-Mathieu-du-Parc; Maskinongé
• Atlas of Canada Locator Map: Lac du Castor
• GPS Coordinate Locator Map: Lac du Castor Lat/Long