- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°1'24"N 4°48'3"W
- Eastings/Northings: 207932, 239832
- OS Grid: SN079398
- Mapcode Local: GBR CS.GRTR
- Mapcode Global: VH2MZ.QDVK
Location and coordinates are for the approximate centre of Pwll yr Ehedydd within this administrative area.
Geographic features and populated places may cross administrative borders.