Blackstone Island is a Island located in Rainy River, Ontario and has an elevation of 348 meters.

• Latitude: 48° 27' 13'' North   (decimal: 48.4536111)
• Longitude: 92° 37' 41'' West   (decimal: -92.6280555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 348 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Blackstone Island
• GPS Coordinate Locator Map: Blackstone Island Lat/Long