Updated 9th May 2016; 10th November 2021
A 2m deep dig in the base of a collapse. After work at Easter 2016, there is still no bed rock showing.
When visited in September, 2021, the site had been completely covered over and planted with trees.
Reference: anon., 2016b (Easter logbook) (November 2015 logbook account pasted here); ; anon., 2016b (Easter logbook); anon., 2021d (autumn logbook)
Entrance pictures :
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :