- Category: Geographic Feature
- Type: Coastal Headland
- Latitude/Longitude: 52°47'42"N 4°41'30"W
- Eastings/Northings: 218616, 325331
- OS Grid: SH186253
- Mapcode Local: GBR GPS9.PPK
- Mapcode Global: WH33T.X01M
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.