Lac Castor is a Lake located in Saint-Léandre; Matane, Quebec and has an elevation of 234 meters.

• Latitude: 48° 39' 21'' North   (decimal: 48.6558766)
• Longitude: 67° 37' 21'' West   (decimal: -67.6224995)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 234 meters
• Location: Saint-Léandre; Matane
• Atlas of Canada Locator Map: Lac Castor
• GPS Coordinate Locator Map: Lac Castor Lat/Long