4116: collapse
La Secada 30T 453025 4797560 (Datum: ETRS89. Accuracy code: G) Altitude 157m
Length 3m Depth 3m
Area position

Updated 28th October 2016

   A collapse/ sinkhole in a field of grass, a few metres inside the field boundary. Camera inspections show a rubble and soil floor with no obvious place to dig.

Reference: anon., 2015b (Easter logbook)
Entrance pictures :
2015 and 2016
Underground pictures :
Video : 2015 (YouTube)
Detailed survey :
Line Survey :
On area survey :
Survex file :