- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°9'46"N 3°51'49"W
- Eastings/Northings: 275500, 364500
- OS Grid: SH755645
- Mapcode Local: GBR 61.4PYF
- Mapcode Global: WH54K.MRCJ
Location and coordinates are for the approximate centre of Afon Ddu within this administrative area.
Geographic features and populated places may cross administrative borders.