Lac du Castor is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 469 meters.

• Latitude: 48° 54' 34'' North   (decimal: 48.9094755)
• Longitude: 69° 31' 46'' West   (decimal: -69.5295021)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 469 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac du Castor
• GPS Coordinate Locator Map: Lac du Castor Lat/Long