Twll Y Flwyddyn

(Swansea - GB)
51.553734,-4.263217
Grottocenter / carte

Cavités proche

Distance (km)NomLongueur (m)Profondeur (m)
55.9Porth yr Ogof cave253060
82.4Ogof y Daren Cilau27000192
107.5Rod's Pot18845
107.7Aveline's Hole6716
107.7Sidcot Swallet20028
107.9Goatchurch Cavern75055
110.6Gloucester Hole
118.0Slaughter Stream Cave13000100
236.7Thor's Cave
244.2Bossen Hole