Hess' Island is a Island located in Thunder Bay, Ontario and has an elevation of 442 meters.

• Latitude: 48° 43' 31'' North   (decimal: 48.7252777)
• Longitude: 90° 54' 32'' West   (decimal: -90.9088888)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 442 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Hess' Island
• GPS Coordinate Locator Map: Hess' Island Lat/Long