A 6m deep shaft covered with 2 crossed fence posts, to the southwest of a significant, grey "limestone lump" and so may be site 577. However, although undescended, the shaft appears to drop 6m to a flat floor with no routes off.

Reference: from 2008f (autumn logbook)
Entrance pictures: yes
Underground pictures :
Video :
Detailed Survey :  
Line Survey :
On area survey :
Survex file :