Upper Blackhole

(Swansea - GB - United Kingdom)
51.547775,-4.247992
Grottocenter / carte

Cavités proche

Distance (km)NomLongueur (m)Profondeur (m)
49.6Near Ogof Ffynnon Dewi Sant (Dig)
55.4Porth yr Ogof cave253060
81.7Ogof y Daren Cilau27000192
85.5Nant Maelor Tunnel [Nant-y-Maelor] [Nant-y-Maellor] [doublon de #71086, à supprimer]
101.6Cas Troggy Sink
106.3Rod's Pot18845
106.6Aveline's Hole6716
106.6Sidcot Swallet20028
106.7Goatchurch Cavern75055
107.3GB Cave1950134