Buttermilk Brook is a River located in Northumberland, New Brunswick and has an elevation of 105 meters.

• Latitude: 46° 31' 37'' North   (decimal: 46.5270805)
• Longitude: 66° 16' 9'' West   (decimal: -66.2690859)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 105 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Buttermilk Brook
• GPS Coordinate Locator Map: Buttermilk Brook Lat/Long