- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°59'35"N 3°47'48"W
- Eastings/Northings: 279500, 345500
- OS Grid: SH795455
- Mapcode Local: GBR 64.HG5W
- Mapcode Global: WH66P.N174
Location and coordinates are for the approximate centre of Nant y Brwyn within this administrative area.
Geographic features and populated places may cross administrative borders.