Mud Brook is a River located in Northumberland, New Brunswick and has an elevation of 128 meters.

• Latitude: 46° 38' North   (decimal: 46.6333000)
• Longitude: 66° 14' West   (decimal: -66.2332999)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 128 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Mud Brook
• GPS Coordinate Locator Map: Mud Brook Lat/Long