- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 50°25'24"N 5°0'25"W
- Eastings/Northings: 186500, 62500
- OS Grid: SW865625
- Mapcode Local: GBR ZJ.7FYS
- Mapcode Global: FRA 07DX.WPL
Location and coordinates are for the approximate centre of Porth Resr within this administrative area.
Geographic features and populated places may cross administrative borders.