Tanner Island is a Island located in Peterborough, Ontario and has an elevation of 242 meters.

• Latitude: 44° 32' 19'' North   (decimal: 44.5386111)
• Longitude: 78° 10' 47'' West   (decimal: -78.1797222)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 242 meters
• Location: Peterborough
• Atlas of Canada Locator Map: Tanner Island
• GPS Coordinate Locator Map: Tanner Island Lat/Long