Castle Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 297 meters.

• Latitude: 50° 7' 39'' North   (decimal: 50.1274999)
• Longitude: 88° 52' 13'' West   (decimal: -88.8702777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 297 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Castle Lake
• GPS Coordinate Locator Map: Castle Lake Lat/Long