A small hole in a shallow shakehole, walled on the west side. A 20m pitch in a clean washed, fluted shaft ends at a short climb down onto a false floor. Needs digging but is probably joined to 472.

In 1988 the entrance appeared to have collapsed.

References: anon., 1983b (logbook); anon., 1988 (logbook)
Entrance picture :
Underground picture(s):
Detailed Survey :
Line Survey :
On area survey :
Survex file :