- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°59'53"N 4°3'0"W
- Eastings/Northings: 262500, 346500
- OS Grid: SH625465
- Mapcode Local: GBR 5T.H0MH
- Mapcode Global: WH557.RWHY
Location and coordinates are for the approximate centre of Yr Arddu within this administrative area.
Geographic features and populated places may cross administrative borders.