S09 Bivio S11 sopra Socraggio - Bocchetta del Tondone
From the crossroads of S11 above Socraggio go up to alp Piazzola and Aurasco; from here to the Monti Sommalemna (with S09a you reach the Monti Pianoni) and to the Bocchetta del Tondone.

S09 Bivio S11 sopra Socraggio - Bocchetta del Tondone