2872 shaft (Hoyuca entrance)
Riaño 30T 451866 4799980 Altitude 174m

This the shaft entrance to Cueva de la Hoyuca, previously seen only from the inside of the cave. The Hoyuca survey / this location may need adjusting to allow for the depth of the shaft (c10-15m).

Reference: anon., 2008c (Easter logbook)
Entrance pictures:
Underground picture :
Video :
Detailed Survey :
Line Survey :
On area survey :
Survex file :