- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°56'36"N 4°4'38"W
- Eastings/Northings: 260510, 340490
- OS Grid: SH605404
- Mapcode Local: GBR 5S.LL02
- Mapcode Global: WH55M.B8NQ
Location and coordinates are for the approximate centre of Hir Ynys within this administrative area.
Geographic features and populated places may cross administrative borders.