Níspero (Cueva del)
Valle de Sedano (Burgos - ES) 
42.838015,-3.792568
42.838015,-3.792568
Longueur 3600m 
 Cavités proche
| Distance (km) | Nom | Longueur (m) | Profondeur (m) | 
|---|---|---|---|
| 7.9 | Aguanal (Cueva del) | 1036 | 100 | 
| 10.0 | Arroyo de Santiago III (Cueva del) | 83 | 13 | 
| 10.0 | Arroyo de Santiago II (Cueva del) | 118 | 18 | 
| 10.6 | Pilas I (Cueva de) | 355 | 105 | 
| 11.4 | Covanera (Pozo Azul de) | 6410 | 71 | 
| 12.0 | Piscarciano (Cueva del) | 13430 | 101 | 
| 13.1 | Nava (Torca de la) | 1037 | 131 | 
| 17.1 | Paño (Cueva de) | 1438 | 20 | 
| 30.2 | Mortero (Cueva del) | 100 |