Hat Mountain Harbour is a Bay located in Thunder Bay, Ontario and has an elevation of 274 meters.

• Latitude: 49° 38' 21'' North   (decimal: 49.6391666)
• Longitude: 88° 20' 16'' West   (decimal: -88.3377777)
• Topography Feature Category: Bay
• Geographical Feature: Harbour
• Canadian Province/Territory: Ontario
• Elevation: 274 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Hat Mountain Harbour
• GPS Coordinate Locator Map: Hat Mountain Harbour Lat/Long