It is a branch of the Val Brembana, known for the Orrido della Val Taleggio (a deep gorge of about 3km) and the legendary stracchino. An excellent base for excursions is the Gherardi Refuge.
Going up from the basin below, it appears to be the channel on the left. Maximum inclination 40º / 45º, difference in altitude 100 / 150m from the junction for the Canale della Madonna