Updated 1/7/2018

The top entrance shaft to Cueva Abono (33), discovered during the upwards aven exploration in the latter cave. A 20m pitch drops into a narrow passage that slopes down to a chamber containing the 22m pitch that links to Abono.

Reference: anon., 2000b (Easter logbook); Corrin Juan, 2001
Entrance picture:
Underground picture(s):
Detailed survey: 1:1000
Line survey:
On area survey:
Survex file: yes (Amended magnetic declination December 2013 to align with Eur79 grid and coordinates altered to fit ETRS89 datum, April 2014.)
Passage direction rose diagram: 1/7/2018