- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°4'6"N 4°4'34"W
- Eastings/Northings: 260986, 354375
- OS Grid: SH609543
- Mapcode Local: GBR 5S.BL9H
- Mapcode Global: WH551.C45G
Location and coordinates are for the approximate centre of Yr Wyddfa within this administrative area.
Geographic features and populated places may cross administrative borders.