- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°42'48"N 3°16'38"W
- Eastings/Northings: 311838, 202399
- OS Grid: SO118023
- Mapcode Local: GBR HT.3694
- Mapcode Global: VH6D6.46PB
Location and coordinates are for the approximate centre of Twyn y Fidffawydd within this administrative area.
Geographic features and populated places may cross administrative borders.