Lac Castor is a Lake located in La Conception; Les Laurentides, Quebec and has an elevation of 284 meters.

• Latitude: 46° 9' 23'' North   (decimal: 46.1564346)
• Longitude: 74° 47' 22'' West   (decimal: -74.7893510)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 284 meters
• Location: La Conception; Les Laurentides
• Atlas of Canada Locator Map: Lac Castor
• GPS Coordinate Locator Map: Lac Castor Lat/Long