The path begins on the left of 268 path near the Lago Nero Dam (2013 m) just above the Rifugio having the same name. The first flat stretch of the path heads south to the Aviasco valley.
Il Club Alpino Italiano (C.A.I.) [...] ha per iscopo l'alpinismo in ogni sua manifestazione, la conoscenza e lo studio delle montagne, specialmente di quelle italiane, e la difesa del loro ambiente naturale.Statuto del Club Alpino Italiano, Articolo 1
Alta Val Seriana
Beyond Valcanale village, follow, for about 400 m after the pond, the paved road climbing upstream the valley (to Rifugio Alpe Corte). The path begins on the right (signpost) and climbs steeply in the fir forest reaching the height of 1400 m.
Round trip. From Cerrete hamlet (793 m), reached by car on paved road from Ardesio, climb to Cacciamali hamlet (1032 m). Don’t enter the village but turn left passing near the little church.
From the church square of Gromo S. Marino village (750 m) turn left and follow a paved road for about 2 km, then turn right when you see marked on a stone: 261 BAITE DEL CARDETO/233 PASSO PORTULA" (Cardeto Huts/ Portula Pass). A dirt road starts at this point (about 850 m). The transit on it is allowed only to authorized motor vehicles (bar on the road).