- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°20'18"N 3°41'48"W
- Eastings/Northings: 284500, 272500
- OS Grid: SN845725
- Mapcode Local: GBR 98.TY7W
- Mapcode Global: VH5CD.WH27
Location and coordinates are for the approximate centre of Nant Bryn-yr-ieir within this administrative area.
Geographic features and populated places may cross administrative borders.