Ogof Draenen (Welsh for Hawthorn Cave) is, at 66 km (official figure; the true length of passage is still being revised upward, with a rough modern approximation at it being 70 km),[1] the longest cave system in Wales and the second longest in Great Britain behind the Three Counties System on the Cumbria/Lancashire/Yorkshire border.[2]
Veuillez partager vos idées avec nous.
Wikiplacemarks.com
Android Apps
Placemarks
Login
Faq
Language