553 Sumidero de Cobadal
Cobadal VN???????? Alt. ???m Length ?m

Strong draught emerges from narrow joints. First squeeze has been passed and needs hammer to continue.

References: anon., 1976 (logbook); anon., 1986 (logbook)
Entrance picture :
Underground picture(s):
Detailed Survey :
Line Survey :
On area survey :
Survex file :