Updated 9th November 2003; 13th June 2005; 14th May 2006; 3rd March 2020

[Alternative GPS is 0454489 4796436]
The entrance is only 3m lower than the summit! A fine, spacious straight shaft ends in a pool. Marked M35 with green paint.

References: Corrin J et al, 1981b (survey); Corrin J S and Smith P, 1981; material in file; anon., 2005b (Easter & summer); anon., 2006b (Easter logbook); anon., 2020a (January, February logbook)
Entrance picture :
Underground picture(s):
Video : entrance shaft  (Juan Corrin) entrance shaft  (Jon Whiteley)
Detailed Survey : from 1980: low res  high res
Line Survey :
On area survey :
Survex file :