- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°52'45"N 5°17'37"W
- Eastings/Northings: 173385, 225198
- OS Grid: SM733251
- Mapcode Local: GBR C4.RX3Y
- Mapcode Global: VH0TL.6157
Location and coordinates are for the approximate centre of Pwll Trefeiddan within this administrative area.
Geographic features and populated places may cross administrative borders.