3449: SMV-10, Sima
San Miguel 30T 457098 4795091 (Datum: ETRS89. Accuracy code: M) Altitude 422m
Length 200m Depth 149m
Area position

This site is described in León García José, 2010. (Cantabria Subterránea. Catálogo Grandes Cavidades.) The shaft was explored in 1984 by the GESCAT team. A 110m pitch descends to a number of much smaller drops.

Reference: León García José, 2010 (survey)
Entrance picture:
Underground picture(s):
Detailed survey: elevation from León García José, 2010. (Cantabria Subterránea. Catálogo Grandes Cavidades.)
Line survey:
On area survey:
Survex file:

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