Anorthite Islet is a Island located in Thunder Bay, Ontario and has an elevation of 191 meters.

• Latitude: 48° 19' 47'' North   (decimal: 48.3297222)
• Longitude: 88° 50' 29'' West   (decimal: -88.8413888)
• Topography Feature Category: Island
• Geographical Feature: Islet
• Canadian Province/Territory: Ontario
• Elevation: 191 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Anorthite Islet
• GPS Coordinate Locator Map: Anorthite Islet Lat/Long