- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°11'52"N 3°55'30"W
- Eastings/Northings: 271500, 368500
- OS Grid: SH715685
- Mapcode Local: GBR 5Z.2F0T
- Mapcode Global: WH54B.PW46
Location and coordinates are for the approximate centre of Afon Ddu within this administrative area.
Geographic features and populated places may cross administrative borders.