Étang du Castor is a Lake located in Frontenac; Le Granit, Quebec and has an elevation of 580 meters.

• Latitude: 45° 31' 54'' North   (decimal: 45.5317089)
• Longitude: 70° 48' 15'' West   (decimal: -70.8042378)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Elevation: 580 meters
• Location: Frontenac; Le Granit
• Atlas of Canada Locator Map: Étang du Castor
• GPS Coordinate Locator Map: Étang du Castor Lat/Long