4851: dig
Riaño 30T 451493 4799452 (Datum: ETRS89. Accuracy code: G) Altitude 238m
Depth 2m
Area position

A large boulder blocks entry to a tight shaft where rocks rattle down for a couple of metres.

References: anon., 2018e (Christmas logbook)
Entrance pictures :
Underground pictures :
Video : January 2019 (YouTube)
Detailed survey :
Line Survey :
On area survey :
Survex file :