The Alta Via of Dolomites n.1 runs through the Eastern Dolomites from north to south and is mostly located in the Province of Belluno. The first stage, from Lake Bràies to the Biella refuge at the Croda del Becco, is instead located in the province of Bolzano.
The entire Alta Via can be covered on average in 12 days, is about 125 km long and consists of a vertical drop of about 7,300 meters uphill and 8,400 meters downhill.
The first stage starts from Lake Braies and reaches the Biella Hut along a path marked with number 1, with an uphill difference in height of about 900 m. and an average journey time of about three and a half hours.