In all, it is about 6km from the rifugio to the start at the Bocchetta di Campiglia, and it will likely take you much less time to walk this than it took for the 4km climbing along the ridge above.
Quick Reference Ferrate Route Index
(*) Difficulty
rating from the newer Cicerone Guide by Fletcher and Smith
(**) Difficulty rating from older Cicerone Guide by Hofler/Werner