Boreas Island is a Island located in Rainy River, Ontario and has an elevation of 347 meters.

• Latitude: 48° 53' 26'' North   (decimal: 48.8905555)
• Longitude: 93° 22' 5'' West   (decimal: -93.3680555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 347 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Boreas Island
• GPS Coordinate Locator Map: Boreas Island Lat/Long