Ahearn Brook is a River located in Northumberland, New Brunswick and has an elevation of 343 meters.

• Latitude: 47° 27' 30'' North   (decimal: 47.4584460)
• Longitude: 66° 10' 28'' West   (decimal: -66.1744819)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 343 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Ahearn Brook
• GPS Coordinate Locator Map: Ahearn Brook Lat/Long