- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°47'45"N 3°41'6"W
- Eastings/Northings: 286472, 323381
- OS Grid: SH864233
- Mapcode Local: GBR 68.WZ5Y
- Mapcode Global: WH67J.CZCD
Location and coordinates are for the approximate centre of Erw y Ddafad-Ddu within this administrative area.
Geographic features and populated places may cross administrative borders.