Updated 15th September 2013; 29th November 2016; 21st September 2018; 18th June 2020; 14th November 2022

   The site is currently out of the Matienzo Caves Project permit area.
   A choked shaft which was originally marked 2. Called Torca de la Llave when a spanner was lost.

References: anon., 1980a (logbook); Corrin J et al, 1981b; Corrin J, 1980; Corrin J S and Smith P, 1981; anon., 2013d (summer logbook); anon., 2016d (autumn logbook); Simonnot G, 2018; anon., 2020c (Spring, summer logbook); Simonnot G, 2022
Entrance picture : autumn 2016
Underground picture(s):
Detailed Survey : 2020 jpg
Line Survey :
On area survey :
Survex file :