- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°36'41"N 3°18'9"W
- Eastings/Northings: 309896, 191114
- OS Grid: ST098911
- Mapcode Local: GBR HR.9RZ6
- Mapcode Global: VH6DK.PRWF
Location and coordinates are for the approximate centre of Twyn Hywel within this administrative area.
Geographic features and populated places may cross administrative borders.