Updated 30th April 2016; 8th May, 24th September 2018
[Previous grid references are 30T 452153 4794901 and 30T 452170 4794901.]
A vegetated depression that has sandstone blocks and a limestone face. At Easter 2016, it was not looked at in detail. It was again investigated in March 2018 and the position confirmed in July 2018.
Reference: anon., 2003c (summer logbook); anon., 2016b (Easter logbook); anon., 2018b (Easter logbook); anon., 2018c (summer logbook)
Entrance pictures: 2003 and 2016 : March & summer 2018
On area survey: