From Piazza Brembana center go downhill towards Brembo of Mezzoldo river, cross the main road and park the car (place named “I Fondi"). Cross Brembo river on a characteristic tower bridge (at 493 m), arriving in a pleasant grassy area with an old ruin and a chapel (Cappelleta dei Fondi). Here the 128 path starts climbing in the woods with few clearings in northwest direction.
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
The path begins Vena street around 50 m upstream the Church of Valnegra village (600 m) and climbs steeply in the forest to Calche bird-hunting hut under the slopes of Monte del Sole (1225 m, crossing with paths 122, 123 and 129). The path heads northeast crossing woods and meadows, reaches Prato Gervasio hut (1304 m) and then, the Prato Landino hut (1419 m).
From Piazzo hamlet north-east above Piazzatorre (1112 m) the path climbs at first northward and then northeast along the valley descending from Secco Mount. Reached a hut (at 1549 m), climb eastward with a few hairpin bends, and, after a bump, you get to Monte Secco hut (1837 m). From here you get quickly the Monte Colle pass (1941 m).
The track follows the ancient mule track connecting Branzi village to Valleve village and the alpine pastures of Foppolo and San Simone. In Branzi, leave your car in the wide public parking place next to “Carabinieri” barracks. Walk downstream the valley for about 50 m, to the signpost on the right for 117A path.