Mill Brook is a River located in Northumberland, New Brunswick and has an elevation of 31 meters.

• Latitude: 47° 6' 29'' North   (decimal: 47.1080462)
• Longitude: 65° 23' 23'' West   (decimal: -65.3897403)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 31 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Mill Brook
• GPS Coordinate Locator Map: Mill Brook Lat/Long