| Y Gyrn | |
|---|---|
|
|
|
| Highest point | |
| Elevation | 619 m (2,031 ft) |
| Prominence | 24 m (79 ft) |
| Parent peak | Pen y Fan |
| Listing | sub Hewitt, Nuttall |
| Geography | |
| Location | Powys, Wales |
| Parent range | Brecon Beacons |
| OS grid | SO012215 |
| Topo map | OS Landranger 160 |
Y Gyrn is a top of Pen y Fan in South Wales, situated in the Brecon Beacons National Park. Tommy Jones' Obelisk is found in between the summit and Corn Du.
The summit is a boggy mound overlooking the A470 and the Storey Arms. It is marked by a pile of stones.
Coordinates: 51°53′00″N 3°26′13″W / 51.88328°N 3.43684°W