Updated 25th September 2018
The information below has been roughly translated from the French, Spéléo-Club Dijon reference, Simonnot G, 2016.
In the Vallina valley, the Fuentes sector. At the bottom of a doline 5m in diameter and 4m deep, a recent(?) collapse - a clay plug and blocks. In the upstream side of the sinkhole, another coalesces (5 m long).
Documented by the SC Dijon, November 2010.
References: Simonnot G, 2016; Simonnot G, 2018
Entrance pictures :
Underground pictures :
Detailed survey :
Line Survey :
On area survey :
Survex file :