Following the course of the Trallo it is therefore possible to retrace a part of the history of Brusimpiano: some remains of the mills are still visible. The area is …
The first piece is very beautiful, then the road becomes a little more stony. In my opinion, this area is not very busy because to leave the valley there are 10/12% climbs
The large access fracture to the cave can be found at 510 meters above sea level, towards the central part of Valfredda, on your right close to the path that leads to that point winds halfway up the coast.
starts easy but narrow unmarked and overgrown path is slipping into the gorge on the left, when you eventually get down you have to cross a small river then fight …