Avenc de les Calobres

Right in the middle of a shallow doline opens the initial shaft, 18.4 metres. Through a narrow gallery one reaches two consecutive drops of just over 5 metres and through a narrow passage one enters a shaft of 15.2 metres, wedged in the general joint of the pit, running NNW – SSE. After a short ramp there is another shaft, this one of 10.5 metres and a little further down, the last one, of 16.5 metres; the final gallery is reached after a small drop between blocks that suddenly turns 180º and in an ascending direction to end after a few metres.

At the bottom of the initial shaft, in addition to the usual clastic products, all kinds of rubbish are usually found, especially dead animals and glass.