Morteros de Imunía (sistema de los)
IM 4
Espinosa de los Monteros (Burgos - ES)
43.146093,-3.596700
43.146093,-3.596700
Length 9507m Depth 453m
Other entrances in this network
| Distance (km) | Name |
|---|---|
| 0.2 | IM 3 |
Caves nearby
| Distance (km) | Name | Length (m) | Depth (m) |
|---|---|---|---|
| 2.3 | Valdescaño (Cuevas de) | 1002 | 55 |
| 4.9 | Oso (Cueva del) | 1425 | 113 |
| 5.7 | Castillo de Arena (Torca del) [n°1737] | 68 | |
| 5.9 | V 72 | 273 | |
| 6.0 | V 23 | 207 | |
| 6.1 | V 77 | 145 | |
| 6.4 | Sonora (Torca) [V 14] | 138 | |
| 6.4 | GZ192 | 1 | 0 |
| 6.9 | Raja (Raso) V 50 | 181 | |
| 7.0 | Rajas, Torca de | 188 |