- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°53'34"N 4°19'43"W
- Eastings/Northings: 243429, 335379
- OS Grid: SH434353
- Mapcode Local: GBR 5F.PYR9
- Mapcode Global: WH44K.GKW0
Location and coordinates are for the approximate centre of Pen-Ychain within this administrative area.
Geographic features and populated places may cross administrative borders.