Lac du Castor is a Lake located in Biencourt; Témiscouata, Quebec and has an elevation of 370 meters.

• Latitude: 47° 52' 26'' North   (decimal: 47.8739244)
• Longitude: 68° 26' 0'' West   (decimal: -68.4333538)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 370 meters
• Location: Biencourt; Témiscouata
• Atlas of Canada Locator Map: Lac du Castor
• GPS Coordinate Locator Map: Lac du Castor Lat/Long