Ffynnon Sion Sieffre

(Blaenau Gwent - GB - United Kingdom)
51.798717,-3.268103
Grottocenter / carte

Cavités proche

Distance (km)NomLongueur (m)Profondeur (m)
8.6Ogof y Daren Cilau27000192
16.8Nant Maelor Tunnel [Nant-y-Maelor] [Nant-y-Maellor] [doublon de #71086, à supprimer]
19.8Porth yr Ogof cave253060
38.3Cas Troggy Sink
44.7Gloucester Hole85
45.6Slaughter Stream Cave13000100
172.7Thor's Cave
181.4Bossen Hole
185.1Poole's Cavern
187.2Great Rutland Cavern