- Category: Geographic Feature
- Type: Other Coastal Landform
- Latitude/Longitude: 53°24'59"N 4°27'17"W
- Eastings/Northings: 236943, 393882
- OS Grid: SH369938
- Mapcode Local: GBR HMCN.XRW
- Mapcode Global: WH41Z.JDS5
Location and coordinates are for the approximate centre of Trwyn y Penrhyn within this administrative area.
Geographic features and populated places may cross administrative borders.