Ogof Draenen
| Use attributes for filter ! | |
| Length | 66 km |
|---|---|
| Discovery | 1994 |
| Locations | North |
| Blaenavon | |
| Wales | |
| Translation | Welsh |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2335473 |
About Ogof Draenen
Ogof Draenen is, at 66 km, the longest cave system in Wales and the second longest in Great Britain behind the Three Counties System on the Cumbria/Lancashire/Yorkshire border.
