Upper Blackhole
(Swansea - GB - United Kingdom)
51.547775,-4.247992
51.547775,-4.247992
Caves nearby
| Distance (km) | Name | Length (m) | Depth (m) |
|---|---|---|---|
| 49.6 | Near Ogof Ffynnon Dewi Sant (Dig) | ||
| 55.4 | Porth yr Ogof cave | 2530 | 60 |
| 81.7 | Ogof y Daren Cilau | 27000 | 192 |
| 85.5 | Nant Maelor Tunnel [Nant-y-Maelor] [Nant-y-Maellor] [doublon de #71086, à supprimer] | ||
| 101.6 | Cas Troggy Sink | ||
| 106.3 | Rod's Pot | 188 | 45 |
| 106.6 | Aveline's Hole | 67 | 16 |
| 106.6 | Sidcot Swallet | 200 | 28 |
| 106.7 | Goatchurch Cavern | 750 | 55 |
| 107.3 | GB Cave | 1950 | 134 |