- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°31'52"N 3°41'58"W
- Eastings/Northings: 284806, 293950
- OS Grid: SN848939
- Mapcode Local: GBR 98.FPR9
- Mapcode Global: VH5BF.TMJY
Location and coordinates are for the approximate centre of Pwll Rhydyporthmyn within this administrative area.
Geographic features and populated places may cross administrative borders.