The route, about 34 km, with a vertical drop of 900 meters, from the village of Visso you reach the pass between Mount Cavalese and Monte Cardosa. Once off the plains of Cardosa Cross through the woods downhill until you reach the torrent of Rapegna valley. Following the course of the river until you reach the resort Rapegna and Nocelleto and finally the village of Castelsantangelo sul Nera, from which along the road we return to Visso.
The tour takes place in the area where the high Valnerina meets the Sibillini Mountains National Park.
The wild environment of this part of the Apennines allows us to observe a rich natural heritage that is inflammatory fauna (the area is also frequented by the wolf) .