| Pen y Gadair Fawr | |
|---|---|
 Pen y Gadair Fawr with Waun Fach (left) | |
| Highest point | |
| Elevation | 800 m (2,600 ft) |
| Prominence | 47 m (154 ft) |
| Parent peak | Waun Fach |
| Listing | Hewitt, Nuttall |
| Naming | |
| English translation | top of the large chair |
| Language of name | Welsh |
| Geography | |
| Location | Black Mountains, South Wales |
| OS grid | SO215300 |
| Topo map | OS Landranger 161 |
| Name | Grid ref | Height | Status |
|---|---|---|---|
| Pen Twyn Mawr | SN969193 | 658 metres (2,159 ft) | Nuttall |
Pen y Gadair Fawr is an 800 metres (2,625 ft) high subsidiary summit of Waun Fach and the second highest peak in the Black Mountains in south-eastern Wales. Marked by a medium-sized cairn, it is a much more distinguished top than its parent 1.5 km to the northwest. Its 658 metres (2,159 ft) high top Pen Twyn Mawr is about 2 km to the southeast.[1]
- ^ Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.