The information below has been roughly translated from the French, Spéléo-Club Dijon reference, Simonnot G, 2018.
A few meters above the road to the Col de Alisas.
A large entrance (10 x 3 m), surrounded by stakes and barbed wire, extending at its southern end by a pitch estimated at 6 or 7 m.
The opening is at the edge of Colorado sandstone with the summit of Vallina limestone.
References: Simonnot G, 2018
Entrance pictures :
Underground pictures :
Detailed survey :
Line Survey :
On area survey :
Survex file :