- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°53'1"N 3°53'46"W
- Eastings/Northings: 272500, 333500
- OS Grid: SH725335
- Mapcode Local: GBR 60.Q80Z
- Mapcode Global: WH55X.3SX2
Location and coordinates are for the approximate centre of Nant Bryn-llefrith within this administrative area.
Geographic features and populated places may cross administrative borders.