The resurgence for Cueva del Mazo (312). The passage is mostly a crawl in water, becoming too tight at some gours where there is also some calcite in the roof.

References: anon., 1982 (logbook); Corrin J, 1983c; material in file; Corrin Juan, 2003b
Entrance picture :
Underground picture(s):
Detailed Survey : 1:500
Line Survey :
On area survey :
Survex file :