From the Scermendone Bivouac (2150m), you ascend to the lake of the same name before reaching the pass located at 2595m. The trail continues through ups and downs over rocky terrain towards the Caldenno Pass (2517m), and after traversing the Airale Valley, you descend to the Bosio Refuge, the endpoint of this route. This stage is characterized by continuous ups and downs, mainly over rocky paths.
