Connector Trail From the parking lot a signed (but un-numbered) connector trail leads up towards the crags of the Torri del Falzarego. The Ferrata is signed as "Ferrata degli Alpini" here, rather than Ferrata al Col dei Bos".
This image is from the presentation "Via Ferrata - Protected Climbing Paths in the Dolomites - Via Ferrata Col dei Bos".