- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°55'49"N 4°52'7"W
- Eastings/Northings: 202873, 229647
- OS Grid: SN028296
- Mapcode Local: GBR CQ.NF23
- Mapcode Global: VH1QW.KRH3
Location and coordinates are for the approximate centre of Mynydd Castlebythe within this administrative area.
Geographic features and populated places may cross administrative borders.