Caves
ES - León
| Name | Length | Depth |
|---|---|---|
| Cornisa, Torca de la | 6 km | 1 km |
| Magali, Torca | 6 km | 1 km |
| VM30 - El Arenal | 4 km | 61 m |
| Valporquero (Cueva de) | 3 km | 221 m |
| Perlas (Sil de las) | 3 km | 221 m |
| Covona (La) | 3 km | 221 m |
| Sima de la Horcadina | 3 km | 803 m |
| Horcadina, Sima de la | 3 km | 803 m |
| Madejuno (pozo del) | 2 km | 1 km |
| Lendreras - VM3 | 1 km | 50 m |
| VM3a | 1 km | 50 m |
| Sistema La Yandre - CC3 | 1 km | 82 m |
| La Silota | 1 km | 82 m |
| Tibigracias/H-1 | 1 km | 40 m |
| Red del Espino | 675 m | 29 m |
| Raso (Cueva del) | 635 m | 11 m |
| Sil del Caldero | 498 m | 232 m |
| La Violina | 373 m | 186 m |
| Pando (Cueva del) | 358 m | 57 m |
| Jesus (Cueva del) | 298 m | 43 m |
| PR3 | 162 m | 9 m |
| CP11 | 149 m | 29 m |
| El Gorretin Colorado | 140 m | 94 m |
| El Vizcaino - CC2 | 128 m | 82 m |
| Tejedo (Pozon de) | 125 m | 71 m |
| Pinilla (Cueva de la) | 118 m | 21 m |
| BO-31 | 97 m | 13 m |
| La Graillera | 85 m | 64 m |
| Martin (Socuevas) | 76 m | 11 m |
| La Botija | 50 m | 31 m |