- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°41'20"N 3°5'36"W
- Eastings/Northings: 324500, 199500
- OS Grid: ST245995
- Mapcode Local: GBR J1.4Y93
- Mapcode Global: VH79R.BSDY
Location and coordinates are for the approximate centre of Tir-pentwys within this administrative area.
Geographic features and populated places may cross administrative borders.