1668: cave
Riaño 30T 452649 4799474 (Datum: ETRS89. Accuracy code: G) Altitude 257m
Area position

Updated 26th September 2012

A small unexplored drop at an apparent wet weather sink in an interesting area above Hoyuca. Other holes along the sink line may be worth exploring.

Reference: anon., 2001c (Summer logbook); anon., 2012d (summer logbook)
Entrance pictures: yes
Underground picture(s):
Detailed survey:
Line survey:
On area survey:
Survex file: