- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°36'54"N 3°17'38"W
- Eastings/Northings: 310500, 191500
- OS Grid: ST105915
- Mapcode Local: GBR HS.9G4S
- Mapcode Global: VH6DK.VNFN
Location and coordinates are for the approximate centre of Twyn Hywel within this administrative area.
Geographic features and populated places may cross administrative borders.