Lac aux Castors is a Lake located in Saint-Théophile; Beauce-Sartigan, Quebec and has an elevation of 517 meters.

• Latitude: 45° 56' 4'' North   (decimal: 45.9344823)
• Longitude: 70° 17' 52'' West   (decimal: -70.2978427)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 517 meters
• Location: Saint-Théophile; Beauce-Sartigan
• Atlas of Canada Locator Map: Lac aux Castors
• GPS Coordinate Locator Map: Lac aux Castors Lat/Long