Mont-Castor is a Unincorporated area located in Sainte-Agathe-des-Monts; Les Laurentides, Quebec and has an elevation of 365 meters.

• Latitude: 46° 4' 20'' North   (decimal: 46.0722222)
• Longitude: 74° 18' 11'' West   (decimal: -74.3030556)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Centre de villégiature
• Canadian Province/Territory: Quebec
• Elevation: 365 meters
• Location: Sainte-Agathe-des-Monts; Les Laurentides
• Atlas of Canada Locator Map: Mont-Castor
• GPS Coordinate Locator Map: Mont-Castor Lat/Long