- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°47'27"N 3°27'43"W
- Eastings/Northings: 301500, 322500
- OS Grid: SJ015225
- Mapcode Local: GBR 6K.XCHJ
- Mapcode Global: WH67T.S3KN
Location and coordinates are for the approximate centre of Afon y Dolau Gwynion within this administrative area.
Geographic features and populated places may cross administrative borders.