O'Brien is a Unincorporated area located in Algoma, Ontario and has an elevation of 440 meters.

• Latitude: 48° 31' 1'' North   (decimal: 48.5169444)
• Longitude: 85° 8' 22'' West   (decimal: -85.1394444)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Railway Point
• Canadian Province/Territory: Ontario
• Elevation: 440 meters
• Location: Algoma
• Atlas of Canada Locator Map: O'Brien
• GPS Coordinate Locator Map: O'Brien Lat/Long