Prison Island is a Island located in Dundas, Ontario and has an elevation of 75 meters.

• Latitude: 44° 46' 21'' North   (decimal: 44.7725000)
• Longitude: 75° 24' 59'' West   (decimal: -75.4163888)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 75 meters
• Location: Dundas
• Atlas of Canada Locator Map: Prison Island
• GPS Coordinate Locator Map: Prison Island Lat/Long