- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°57'48"N 3°41'41"W
- Eastings/Northings: 283649, 230796
- OS Grid: SN836307
- Mapcode Local: GBR Y8.LJ4W
- Mapcode Global: VH5F4.XX07
Location and coordinates are for the approximate centre of Mynydd Bach Trecastell within this administrative area.
Geographic features and populated places may cross administrative borders.