Castor Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 334 meters.

• Latitude: 50° 11' 41'' North   (decimal: 50.1947222)
• Longitude: 87° 23' 45'' West   (decimal: -87.3958333)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 334 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Castor Lake
• GPS Coordinate Locator Map: Castor Lake Lat/Long