| Gilwern Hill | |
|---|---|
 Gilwern Hill viewed from the southeast | |
| Highest point | |
| Elevation | 441 m (1,447 ft) |
| Coordinates | 51°48′28″N 3°05′53″W / 51.80778°N 3.09806°W |
| Geography | |
 | |
| Location | Monmouthshire, Wales |
| Parent range | Brecon Beacons |
| OS grid | SO244126 |
Gilwern Hill is a 441 m high hill in the Brecon Beacons National Park, south of the village of Gilwern in Monmouthshire, Wales. It lies west of the Blorenge. The hill is a Site of Special Scientific Interest.