| 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 Valiente |  | 1,903 | Sierra de Guadarrama | Peguerinos | website | Castile and León | Europe | Spain | 40.6833343506 | -4.1833333969 | Map |