840 Cueva de la Virgen 4
Fresnedo 30T 0453595 4801931 Altitude 120m Length 84m

Updated 7th May 2007

A tagged draughting, low entrance in trees which has been dug for 5m to a tight blowhole where the passage continues over fox excrement. The passage enlarges into a reasonable phreatic segment with blind climbs up with the draught lost.

Reference: anon., 1990b (logbook); anon., 1991 (logbook); anon., 1992b (logbook); material in file; Corrin J and Quin A, 1992; Corrin J, 1993 (survey); Corrin Juan, 2007a
Entrance picture : yes - probably
Underground picture(s):
Detailed Survey : 1:500
Line Survey :
On area survey :
Survex file : stand alone   Surface survey plus underground surveys of caves in the Fuente de la Virgen area.