- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°53'16"N 4°2'49"W
- Eastings/Northings: 259214, 223031
- OS Grid: SN592230
- Mapcode Local: GBR DT.R6R8
- Mapcode Global: VH4HW.STT1
Location and coordinates are for the approximate centre of Rhiw-yr-adar within this administrative area.
Geographic features and populated places may cross administrative borders.