Approximately 30m east of Cueva Hoyuca entrance, this is a tight sideways rift entrance (with small shaft entry above). It is possible to see about 5m and there are holes in the floor dropping further.

Reference: anon., 2009a (Easter logbook)
Entrance pictures: yes
Underground pictures :
Video :
Detailed Survey :
Line Survey :
On area survey :
Survex file :