Alta Via 1 at a glance
- Distance: approx. 120 km
- Time needed: 8–11 days
- Total ascent: approx. 6,600 m total ascent
- Start / finish: Lago di Braies to Belluno (La Pissa)
- Season: Late June to late September, while the rifugi are open
- Accommodation: Dolomite rifugi — half board, book ahead
- Difficulty: Moderate to strenuous, with short exposed sections
Stage by stage
- Lago di Braies to Rifugio Biella — 6 km but 1,000 m straight up — a brutal first afternoon.
- Biella to Rifugio Fanes — 16 km across the Fanes high plateau.
- Fanes to Rifugio Lagazuoi — 13 km past Lagazuoi's WWI tunnels; the highest hut on the route at 2,752 m.
- Lagazuoi to Rifugio Nuvolau — 11 km with the Cinque Torri and the Averau below.
- Nuvolau to Rifugio Città di Fiume — 13 km under the Croda da Lago.
- Città di Fiume to Rifugio Coldai — 13 km along the flank of Monte Pelmo.
- Coldai to Rifugio Vazzoler — 11 km beneath the Civetta wall.
- Vazzoler to Rifugio Carestiato and south — Quieter finish through the Moiazza to the Belluno valley.
How exposed is it really
The main line of AV1 is a walking route: marked trails, no rope needed. What catches people out are short exposed traverses with cable handlines and a few ladders, plus the optional via ferrata variants — the Lagazuoi tunnels and the Ferrata Cesare Piazzetta among them — which need a harness, lanyard and helmet.
If you are uncomfortable with drop-offs, take the marked walking alternatives; every technical variant on AV1 has one.
Booking the rifugi
Huts open from roughly late June to the third week of September, and July and August fill early. Half board is the norm and cash is still king in some rifugi. A booked bed determines the stage length, so build the itinerary around confirmed reservations rather than the other way around.
Getting to the start and back
Lago di Braies is reached via Villabassa/Niederdorf, with a summer shuttle and access restrictions on the lake road at peak times. The southern finish drops you near La Pissa on the Agordo road, with buses to Belluno and a train onward. The transport at both ends is the fiddliest part of a self-organised AV1.
Do you need a certified guide on the Alta Via 1?
AV1 is walkable without a guide in good conditions. Hire a certified guide if you want the via ferrata variants (equipment and rope skills), if you are new to alpine huts, or if you are walking at the shoulder of the season when old snow lingers on the north-facing cols.
Alta Via 1 questions
How difficult is Alta Via 1?
Moderate to strenuous. Days of 4–7 hours with 600–1,200 m of ascent on marked paths, with a few short exposed sections protected by cables. No technical climbing is required on the main line.
Do you need via ferrata gear on Alta Via 1?
Not for the standard route. You need a harness, via ferrata lanyard and helmet only if you take the ferrata variants such as the Lagazuoi tunnels.
When is Alta Via 1 open?
Effectively from late June, when the rifugi open, until around the third week of September when they close. Outside that window there is nowhere to sleep and snow can cover the higher cols.
How fit do you need to be for Alta Via 1?
Comfortable with 800–1,000 m of ascent on consecutive days carrying a light pack. Half board in the huts means you carry clothing and safety kit, not food and a tent.