This fenced, open rift running N-S is a shaft 8m deep to a choked floor of clay and boulders. The dimensions are 3m by less than 1 and slightly deeper to the southern (uphill) end.
Reference: anon., 2009a (Easter logbook)
Entrance pictures: yes
Underground pictures :
Video :
Detailed Survey :
Line Survey :
On area survey :
Survex file :