1771: CR-6, Sima
San Miguel 30T 456178 4796291 (Datum: ETRS89. Accuracy code: M) Altitude 417m
Length 17m Depth 17m
Area position : Logbook search

This site is described on the web site of the Sociedad Espeleológica Alto Duero who have explored it. It would appear that the entrance has been located with GPS.

The single pitch has a 4.7 x 2.5m top.

Reference: SEAD website; file
Entrance picture: on the SEAD website
Underground picture(s):
Detailed survey:  elevation on the SEAD website
Line survey:
On area survey:
Survex file:

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