Plynlimon
Plynlimon, or Pumlumon in Welsh (also historically anglicised as Plinlimon and Plinlimmon), is the highest point of the Cambrian Mountains in Wales (taking a restricted definition of the Cambrian Mountains, excluding Snowdonia, the Berwyns and the Brecon Beacons), and the highest point in Mid Wales. It is a massif that dominates the surrounding countryside and is the highest point (county top) of Ceredigion (both the modern council area, and the historic county, also known as Cardiganshire).
| Pen Pumlumon Fawr | |
|---|---|
The northern slopes of Pumlumon Fawr | |
| Highest point | |
| Elevation | 752 m (2,467 ft) |
| Prominence | 526 m (1,726 ft) |
| Listing | Marilyn, Hewitt, Council top, Nuttall |
| Coordinates | 52.4675°N 3.7828°W |
| Naming | |
| English translation | five tops, five beacons |
| Language of name | Welsh |
| Pronunciation | Welsh: [ˈpɛn pɪmˈlɪmɔn ˈvau̯r] |
| Geography | |
| Location | Ceredigion, Wales |
| Parent range | Cambrian Mountains |
| OS grid | SN789869 |
| Topo map | OS Landranger 135 |
| Name | Grid ref | Height | Status |
|---|---|---|---|
| Pen Pumlumon Arwystli | SN815877 | 741 m | Hewitt, Nuttall |
| Pen Pumlumon Llygad-bychan | SN799871 | 727 m | Hewitt, Nuttall |
| Y Garn | SN775851 | 684 m | Hewitt, Nuttall |
| Pumlumon Fach | SN787874 | 664 m | Nuttall |
| Pumlumon Cwmbiga | SN830899 | 620 m | Deleted Nuttall |
| Carnfachbugeilyn | SN826903 | 622 m | Unclassified |
| Bryn yr Ŵyn | SN840927 | 502 m | Dewey |
The highest point of the massif itself is Pen Pumlumon Fawr, which is 752 metres (2,467 ft) above ordnance datum. Its other important peaks are Pen Pumlumon Arwystli, Y Garn, Pen Pumlumon Llygad-bychan and Pumlumon Fach. Bryn yr Ŵyn, or 'hill of the lambs', is a former Dewey in the foothills.
The longest river in Britain, the River Severn, has its source on the mountain, as do the rivers Wye and Rheidol.
Folklore says there is a sleeping giant in Plynlimon.