Green Island is a Island located in Peterborough, Ontario and has an elevation of 257 meters.

• Latitude: 44° 38' 19'' North   (decimal: 44.6386111)
• Longitude: 77° 58' 00'' West   (decimal: -77.9666666)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 257 meters
• Location: Peterborough
• Atlas of Canada Locator Map: Green Island
• GPS Coordinate Locator Map: Green Island Lat/Long