Gretton's Adit
(Monmouthshire - GB)
51.810314,-3.149729
51.810314,-3.149729
Caves nearby
| Distance (km) | Name | Length (m) | Depth (m) |
|---|---|---|---|
| 2.3 | Ogof y Daren Cilau | 27000 | 192 |
| 37.4 | Slaughter Stream Cave | 13000 | 100 |
| 37.9 | Gloucester Hole | ||
| 167.3 | Thor's Cave | ||
| 176.2 | Bossen Hole | ||
| 180.2 | Poole's Cavern | ||
| 181.3 | Great Rutland Cavern | ||
| 190.7 | Eldon Hole | 200 | 85 |
| 190.7 | Little Bull Pit | ||
| 190.8 | Little Bull Pit |