- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°52'32"N 4°11'57"W
- Eastings/Northings: 248698, 221963
- OS Grid: SN486219
- Mapcode Local: GBR DL.S501
- Mapcode Global: VH3LK.53BX
Location and coordinates are for the approximate centre of Pen-yr-allt within this administrative area.
Geographic features and populated places may cross administrative borders.