- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°46'47"N 3°38'22"W
- Eastings/Northings: 289500, 321500
- OS Grid: SH895215
- Mapcode Local: GBR 6B.XY3H
- Mapcode Global: WH67R.2D3B
Location and coordinates are for the approximate centre of Ogof Ddu within this administrative area.
Geographic features and populated places may cross administrative borders.