Updated 4th November 2009; 11th September 2022

The entrance is about 5m to the east of site 1510. A narrow tube turns left then right and ends at a choke. In 2000 there was a large, grassy "nest" at the bends. The gird reference / position was ratified in July 2022.

Reference: anon., 2000c (Summer logbook); anon., 2009c (summer logbook); anon., 2022c (summer logbook)
Entrance picture: yes
Underground picture(s):
Detailed survey:
Line survey:
On area survey:
Survex file: