- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°57'58"N 4°5'2"W
- Eastings/Northings: 260140, 343027
- OS Grid: SH601430
- Mapcode Local: GBR 5R.K4G2
- Mapcode Global: WH55F.7PJT
Location and coordinates are for the approximate centre of Ynys-fach within this administrative area.
Geographic features and populated places may cross administrative borders.