Upper Blackhole

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

Caves nearby

Distance (km)NameLength (m)Depth (m)
55.4Porth yr Ogof cave253060
81.7Ogof y Daren Cilau27000192
106.3Rod's Pot18845
106.6Aveline's Hole6716
106.6Sidcot Swallet20028
106.7Goatchurch Cavern75055
107.3GB Cave1950134
108.3Longwood Swallet1650175
109.7Gloucester Hole
110.2Upper Flood Swallet3200110