| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cueva del reguerillo |  | Karst | Patones | website | Community of Madrid | Europe | Spain | 40.8833351135 | 8,910 | -3.4333333969 | Map |