Lac du Castor is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec and has an elevation of 345 meters.

• Latitude: 50° 36' 5'' North   (decimal: 50.6014074)
• Longitude: 68° 41' 39'' West   (decimal: -68.6942573)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 345 meters
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac du Castor
• GPS Coordinate Locator Map: Lac du Castor Lat/Long