Three Sisters Islands is a Island located in Peterborough, Ontario and has an elevation of 246 meters.

• Latitude: 44° 33' 35'' North   (decimal: 44.5597222)
• Longitude: 78° 18' 15'' West   (decimal: -78.3041666)
• Topography Feature Category: Island
• Geographical Feature: Islands
• Canadian Province/Territory: Ontario
• Elevation: 246 meters
• Location: Peterborough
• Atlas of Canada Locator Map: Three Sisters Islands
• GPS Coordinate Locator Map: Three Sisters Islands Lat/Long