- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°46'41"N 3°3'6"W
- Eastings/Northings: 327537, 209352
- OS Grid: SO275093
- Mapcode Local: GBR F4.Z1NQ
- Mapcode Global: VH79D.2K0R
Location and coordinates are for the approximate centre of Pwll Mawr within this administrative area.
Geographic features and populated places may cross administrative borders.