- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°41'26"N 3°38'58"W
- Eastings/Northings: 286070, 200384
- OS Grid: SN860003
- Mapcode Local: GBR H9.4NPH
- Mapcode Global: VH5GJ.PRFV
Location and coordinates are for the approximate centre of Mynydd Blaen-nant-du within this administrative area.
Geographic features and populated places may cross administrative borders.