From Campolongo pass there are 2 ways to reach the rifugio in about 2 hours hike:

path nr. 638 crossing Boé lake

path nr. 637 crossing the Bec de Roces

There also 2 chairlifts running in the summer starting from the pass that can short the hike: Costoratta chairlift on path. nr. 638 and Bec de Roces chairlift on path nr.637.