| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Atta Cave |  | Karst | 1907 | Attendorn | website | North Rhine-Westphalia | Europe | Germany | 51.1166648865 | 6,670 | 7.9000000954 | Map | ||||||||
| Dechen Cave |  | Unspecified | 1868 | 250 | Iserlohn | website | North Rhine-Westphalia | Europe | Germany | 51.3499984741 | 870 | 7.6333332062 | Map |