Updated 24th May 2017

"An unexplored, 0.5m diameter hole that seems to open up below" was explored at Easter 2017 as a 4m choked shaft.

Reference: anon., 2015c (summer logbook); anon., 2017b (Easter logbook)
Entrance picture : yes
Underground pictures:
Video:
Detailed Survey :
Line Survey :
On area survey :
Survex file :