- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°56'5"N 4°10'45"W
- Eastings/Northings: 250270, 228503
- OS Grid: SN502285
- Mapcode Local: GBR DM.N9Z3
- Mapcode Global: VH3L5.HMWN
Location and coordinates are for the approximate centre of Pen-crug-melyn within this administrative area.
Geographic features and populated places may cross administrative borders.