Updated 25th September 2018; 17th November 2022

The information below has been roughly translated from the French, Spéléo-Club Dijon reference, Simonnot G, 2016.

At the confluence of the Ríos Bustablado and Asón (left bank) at the foot of a rocky ledge at the very edge of the river. A small, 4m long cave clogged with clay and sand.
The cave was explored by the SC Dijon in 2007.

References: Simonnot G, 2016; Simonnot G, 2018; Simonnot G, 2022
Entrance picture : 2004
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :