4635: cave
San Antonio 30T 447683 4801906 (Datum: ETRS89. Accuracy code: M) Altitude 73m
Length 30m
Area position

A 30m cave "across the valley" from site 3281. The entrance has not been GPS'd and might be on the other side of the valley!

References: anon., 2017d (autumn logbook)
Entrance picture : October 2017
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :