Brown Island is a Island located in Thunder Bay, Ontario and has an elevation of 290 meters.

• Latitude: 49° 33' 11'' North   (decimal: 49.5530555)
• Longitude: 88° 37' 40'' West   (decimal: -88.6277777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 290 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Brown Island
• GPS Coordinate Locator Map: Brown Island Lat/Long