Porth yr Helyg Cave
(Neath Port Talbot - GB)
51.539806,-3.768110
51.539806,-3.768110
Cavités proche
| Distance (km) | Nom | Longueur (m) | Profondeur (m) |
|---|---|---|---|
| 32.5 | Porth yr Ogof cave | 2530 | 60 |
| 53.2 | Ogof y Daren Cilau | 27000 | 192 |
| 74.1 | Rod's Pot | 188 | 45 |
| 74.3 | Aveline's Hole | 67 | 16 |
| 74.4 | Sidcot Swallet | 200 | 28 |
| 74.5 | Goatchurch Cavern | 750 | 55 |
| 75.2 | GB Cave | 1950 | 134 |
| 76.3 | Longwood Swallet | 1650 | 175 |
| 76.9 | Gloucester Hole | ||
| 78.1 | Upper Flood Swallet | 3200 | 110 |