| Pen Allt-mawr | |
|---|---|
|
Pen Allt-mawr from Pen Cerrig-calch
|
|
| Highest point | |
| Elevation | 720 m (2,360 ft) |
| Prominence | 102 m (335 ft) |
| Parent peak | Waun Fach |
| Listing | Hewitt, Nuttall, HuMP |
| Coordinates | 51°54′42″N 3°09′16″W / 51.9118°N 3.1544°WCoordinates: 51°54′42″N 3°09′16″W / 51.9118°N 3.1544°W |
| Naming | |
| Translation | top of the big slope (Welsh) |
| Geography | |
| Location | Black Mountains, South Wales |
| OS grid | SO206243 |
| Topo map | OS Landranger 161 |
| Listed summits of Pen Allt-mawr | ||||
| Name | Grid ref | Height | Status | |
|---|---|---|---|---|
| Pen Twyn Glas | SN969193 | 646 metres (2,119 ft) | sub Hewitt, Nuttall | |
Pen Allt-mawr is subsidiary summit of Waun Fach and the third highest peak in the Black Mountains in south-eastern Wales. It lies near the end of the westernmost of Waun Fach's south ridges. It is a very recognisable and prominent peak of the Black Mountains.
It summit is stony and has a large shelter cairn. Its top Pen Twyn Glas is to the north, while its close neighbour Pen Cerrig-calch is to the south.