- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°12'19"N 4°7'50"W
- Eastings/Northings: 254500, 258500
- OS Grid: SN545585
- Mapcode Local: GBR DP.3425
- Mapcode Global: VH4G9.CT4N
Location and coordinates are for the approximate centre of Nant y Fergi within this administrative area.
Geographic features and populated places may cross administrative borders.