Updated 1st May 2016
A previous grid reference is 30T 453272 4800053.
A sink at a trough. In wet weather, a number of streams cascade down the hillside. All sinks appear well choked.
Reference: anon., 2008c (Easter logbook); anon., 2016b (Easter logbook)
Underground picture :
Detailed Survey :
Line Survey :
On area survey :
Survex file :