0506: Birds Nest cave
San Miguel 30T 457308 4796641 (Datum: ETRS89. Accuracy code: M) Altitude 89m
Length 54m + 20m unsurveyed Depth 10m
Area position : Logbook search

Obvious hands and knees height entrance behind a tree. The passage narrows to a rift and opens out in a chamber. This closes down to the left. Down on the right, two routes unite at a hole in the floor down which is 20m of unsurveyed rift passage with no extension possibilities.

Reference: anon., 1995a (Easter logbook); material in file
Entrance picture :
Underground picture(s):
Detailed Survey : 1:500
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.)

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