Mutton Island is a Island located in Thunder Bay, Ontario and has an elevation of 183 meters.

• Latitude: 48° 22' 15'' North   (decimal: 48.3708333)
• Longitude: 89° 11' 43'' West   (decimal: -89.1952777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 183 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Mutton Island
• GPS Coordinate Locator Map: Mutton Island Lat/Long