- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°45'53"N 3°24'7"W
- Eastings/Northings: 305500, 319500
- OS Grid: SJ055195
- Mapcode Local: GBR 6N.YVGS
- Mapcode Global: WH78Z.QR6S
Location and coordinates are for the approximate centre of Pen y Bylchau within this administrative area.
Geographic features and populated places may cross administrative borders.