Updated 2nd November 2002

The entrance is an impressive 10 x 3 x 20m cleft directly below the track running SE-NW. The entrance pitch of 15m lands on a slope of boulders that chokes at the base. At the bottom of the pitch, a tighter drop narrows off to choke 18m down.

Reference: anon., 1998a (Easter logbook); anon., 2002b (summer logbook); Corrin Juan, 2003b
Entrance picture: 1  2  video filmed from entrance
Underground picture(s): yes
Detailed survey: 1:500
Line survey:
On area survey:
Survex file: yes (Amended magnetic declination December 2013 to align with Eur79 grid and coordinates altered to fit ETRS89 datum, April 2014.)