Castle Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 529 meters.

• Latitude: 48° 11' 39'' North   (decimal: 48.1941666)
• Longitude: 90° 4' 19'' West   (decimal: -90.0719444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 529 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Castle Lake
• GPS Coordinate Locator Map: Castle Lake Lat/Long