A collapse at the base of limestone scars. Removing boulders reveals a 1 x 0.5m shaft top, widening out where stones rattle down for 8 seconds. The shaft is 15m deep landing on an unstable slope of boulders to the head of the final 27m pitch. At the base a chamber with avens quickly closes in.
Reference: anon., 2009a (Easter logbook)
Entrance pictures: yes
Underground pictures :
Detailed Survey : yes
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.)