Riolastras 30T 454884 4802754 (Datum: ETRS89. Accuracy code: G) Altitude 203m
Length 70m Depth 30m
An open entrance at the bottom of a steep slope under an overhanging rock face. A short drop leads to a tight section and a further drop between boulders into the top chamber, 7m across. The middle chamber is reached via a free climb down. The bottom chamber is reached through a dig on a solid wall and a 6m pitch followed by a steep 14m slope a 3m high chamber, all consisting of big boulders and breakdown.
There is a possible dig through the floor but extreme caution is needed. The site has not been surveyed as it is "not a very nice place".
Reference: anon., 2014c (summer logbook)
Entrance pictures : yes
Underground pictures : yes
Detailed survey : sketches from logbook - top, middle and bottom chambers
Line Survey :
On area survey :
Survex file :