- Category: Geographic Feature
- Type: Coastal Headland
- Latitude/Longitude: 51°57'38"N 5°8'46"W
- Eastings/Northings: 183942, 233827
- OS Grid: SM839338
- Mapcode Local: GBR CB.LQ5T
- Mapcode Global: VH1QJ.RZ87
Location and coordinates are for the approximate centre of Pen Castell-coch within this administrative area.
Geographic features and populated places may cross administrative borders.