Blewett Island is a Island located in Peterborough, Ontario and has an elevation of 253 meters.

• Latitude: 44° 28' 55'' North   (decimal: 44.4819444)
• Longitude: 78° 20' 54'' West   (decimal: -78.3483333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 253 meters
• Location: Peterborough
• Atlas of Canada Locator Map: Blewett Island
• GPS Coordinate Locator Map: Blewett Island Lat/Long