| name | discoverer | image | geology | type | Area (m²) | elevation (m) | Range | date discovered | Depth (m) | Height (m) | city | Website | administrative división | continent | Country | latitude (°) | Width (m) | Length (m) | longitude (°) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ogof Draenen | 1994 | Blaenavon | website | Wales | Europe | United Kingdom | 51.7999992371 | 66,000 | -3.0833332539 | Map |