O'Brien Brook is a River located in York, New Brunswick and has an elevation of 94 meters.

• Latitude: 45° 51' 40'' North   (decimal: 45.8610717)
• Longitude: 66° 58' 15'' West   (decimal: -66.9707934)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 94 meters
• Location: York
• Atlas of Canada Locator Map: O'Brien Brook
• GPS Coordinate Locator Map: O'Brien Brook Lat/Long