Lac du Castor is a Lake located in Lac-des-Eaux-Mortes; La Mitis, Quebec and has an elevation of 478 meters.

• Latitude: 48° 15' 29'' North   (decimal: 48.2581002)
• Longitude: 67° 51' 52'' West   (decimal: -67.8644482)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 478 meters
• Location: Lac-des-Eaux-Mortes; La Mitis
• Atlas of Canada Locator Map: Lac du Castor
• GPS Coordinate Locator Map: Lac du Castor Lat/Long