Nant y Maellor Tunnel
(Torfaen - GB)
51.735220,-3.046133
51.735220,-3.046133
Caves nearby
| Distance (km) | Name | Length (m) | Depth (m) |
|---|---|---|---|
| 13.0 | Ogof y Daren Cilau | 27000 | 192 |
| 27.9 | Gloucester Hole | ||
| 31.7 | Slaughter Stream Cave | 13000 | 100 |
| 171.1 | Thor's Cave | ||
| 180.3 | Bossen Hole | ||
| 184.2 | Great Rutland Cavern | ||
| 184.7 | Poole's Cavern | ||
| 195.0 | Eldon Hole | 200 | 85 |
| 195.2 | Little Bull Pit | ||
| 195.2 | Little Bull Pit |