- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°56'42"N 3°20'53"W
- Eastings/Northings: 309500, 339500
- OS Grid: SJ095395
- Mapcode Local: GBR 6Q.LH4Z
- Mapcode Global: WH787.J7TG
Location and coordinates are for the approximate centre of Nant Croes-y-wernen within this administrative area.
Geographic features and populated places may cross administrative borders.