4186: cave
Riolastras 30T 455005 4803046 (Datum: ETRS89. Accuracy code: G) Altitude 130m
Length 15m
Area position

The entrance is under a scar and leads to 15m of hands-and-knees crawling in a nice phreatic tube. It ends at tubes which are too tight.

Reference: anon., 2015c (summer logbook)
Entrance pictures : yes
Underground pictures:
Detailed Survey :
Line Survey :
On area survey :
Survex file :