Updated 25th September 2018; 18th November 2022

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

Small hole in the trail (Castro-west Tocornal). A pitchl estimated at 5 m in corroded limestone (diameter 0.4 m). The bottom seems clogged with earth. No draught.
Documented by the SC Dijon, July 2011.

References: Simonnot G, 2016; Simonnot G, 2018; Simonnot G, 2022
Entrance pictures : July 2011
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :