Ogof Ffynnon Ddu
Italy
Ogof Ffynnon Ddu (Welsh for cave of the black spring), also known informally as OFD, is a cave under a hillside in the area surrounding Penwyllt in the Upper Swansea Valley in South Wales. It is the second longest cave in Wales and the deepest in the United Kingdom.
Listen to the audio guide for Ogof Ffynnon Ddu Free on WIP — starts by itself when you arrive, even with the screen offNearby
- Ongur Uchaf (aka Rhongyr Uchaf) beni_culturali · 1 km away
- Fountain in Craig-y-nos courtyard monumenti · 2 km away
- Cwar Glas Quarry and Sawdde Gorge quarry · 2 km away
- Sgwd Henrhyd waterfall · 3 km away
- Maen Mawr archaeological_site · 5 km away
- Pont Melin-fach monumenti · 7 km away
- Seven Sisters War Memorial beni_culturali · 7 km away
- Lychgate and railings to Church of Saint Mary monumenti · 8 km away