858 Shaft
Muela VN54139705 Alt. 444m Depth 50m

An excavated, draughting hole descends in boulders to a small chamber. The draught comes from a partially blocked rift which can be passed through a tight section to a 10m pitch to a narrow rift. A further 20m pitch lands in a 40m diameter chamber.

Reference: anon., 1990b (logbook); anon., 1991 (logbook); Survey in file
Entrance picture :
Underground picture(s):
Detailed Survey : 1:1000
Line Survey :
On area survey :
Survex file :