Southeast Branch Porter Brook is a River located in Northumberland, New Brunswick and has an elevation of 138 meters.

• Latitude: 46° 31' North   (decimal: 46.5167000)
• Longitude: 66° 26' West   (decimal: -66.4332999)
• Topography Feature Category: River
• Geographical Feature: Branch
• Canadian Province/Territory: New Brunswick
• Elevation: 138 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Southeast Branch Porter Brook
• GPS Coordinate Locator Map: Southeast Branch Porter Brook Lat/Long