Castell Bryn Gwyn
Castell Bryn Gwyn, view south from the bank | |
| Location | Anglesey, Wales |
|---|---|
| Region | Great Britain |
| Coordinates | 53°10′42″N 4°17′52″W / 53.1784°N 4.2978°W |
| Type | enclosure |
| Width | 64m |
| Height | 1.5m |
| History | |
| Material | clay, gravel, dry stone |
| Founded | end Neolithic |
| Periods | Neolithic, Iron Age, Roman |
| Site notes | |
| Management | Cadw |
| Public access | Yes |
| Website | Castell Bryngwyn Prehistoric Enclosure |
Castell Bryn Gwyn (also spelled Castell Bryngwyn) is a prehistoric site on the Isle of Anglesey, west of Brynsiencyn. It is a circular clay and gravel bank covered with grass, still some 1.5 metres (4.9 ft) high and revetted externally by stone walls, which surround a level area some 54 metres (177 ft) in diameter. Its name means "White Hill Castle".