- Category: Geographic Feature
- Type: Coastal Headland
- Latitude/Longitude: 52°47'35"N 4°29'34"W
- Eastings/Northings: 232016, 324659
- OS Grid: SH320246
- Mapcode Local: GBR 57.X12N
- Mapcode Global: WH451.Y1QX
Location and coordinates are for the approximate centre of Trwyn yr Wylfa within this administrative area.
Geographic features and populated places may cross administrative borders.