Mountain passes around Miane are located in a region characterized by its historical routes and diverse mountainous terrain. The area features passes connecting the Belluno Prealps, offering routes with significant historical importance, including those built during WWI. Visitors can explore varied landscapes, from winding roads with tunnels to challenging climbs and scenic viewpoints. The region provides opportunities for cycling, hiking, and experiencing unique man-made monuments integrated into the natural environment.
Last updated: May 13, 2026
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The San Boldo Pass, located between the provinces of Treviso and Belluno, is a road engineering masterpiece unique in the world. Known as the "Road of the Hundred Days", it was built in record time by the Austro-Hungarian army in 1918 for wartime needs. Its peculiarity lies in the final meters of ascent, where the roadway winds through five tunnels carved into the living rock, connected by very tight hairpin bends that seem to overlap vertically. Traffic in the tunnels is regulated by a single traffic light, as the road is so narrow that it only allows one vehicle at a time.
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Climbed from Trichiana, in theory in the morning you don't find any wind against this side, but I found it😅😅 for the whole climb
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Well maintained and excellently renovated bivouac. Very nice, even if decidedly small (max 3 people), the room for sleeping with independent access from the back. The view of the sunset is spectacular!
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An impressive ride through the various tunnels with a spectacular view of the valley!
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Splendid bivouac, restored and well maintained, in a splendid position with views and large surrounding meadow. In front there is a room with a table, splendid stove and benches, behind, a separate room with a plank, where you can sleep.
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Next door the bivouac is accessible inside, very spacious, with tables and benches; There are also tables and benches outside on the large lawn. A quiet place to rest and have a packed lunch.
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The most popular mountain pass is San Boldo Pass, known for its unique construction by Austro-Hungarian troops. Another highly appreciated spot is Passo San Boldo — The Road of 100 Days, famous for its impressive climb through narrow tunnels. Visitors also enjoy Passo di Praderadego, which connects the Belluno Prealps and offers challenging routes.
The San Boldo Pass offers a truly unique cycling experience due to its construction. It features an incredible sequence of five hairpin bends dug inside short, narrow tunnels, built during WWI. This makes for a memorable and challenging climb, especially from the Tovena side, with magnificent panoramas of the surrounding area.
Yes, several passes have significant historical importance. San Boldo Pass and Passo San Boldo — The Road of 100 Days were built by Austro-Hungarian troops in just 100 days during WWI. Passo di Praderadego is historically linked to a variant of the ancient Via Claudia Augusta Altinate, and near it stands the Castle of Zumelle, confirming its strategic importance.
The mountain passes around Miane offer stunning scenic viewpoints. For example, San Boldo Pass provides magnificent panoramas of the surrounding area. Passo di Praderadego is also noted for its scenic vistas, connecting the two sides of the Belluno Prealps.
Absolutely. Passo di Praderadego is described as a challenging mountain pass, with climbs that are very tiring from both the Treviso and Belluno sides. The climb to Passo San Boldo from Tovena is also considered challenging, with a significant elevation gain over 6 km.
The area around Miane's mountain passes offers diverse outdoor activities. You can find numerous running trails, including the 10 km 'Via Tenade and Via Serre loop from Miane'. For gravel biking, there are routes like the 'Isola dei Morti Memorial loop from Cison di Valmarino'. Mountain hiking is also popular, with trails such as the 'San Boldo Pass – Loff Bivouac loop from San Boldo'. You can explore more options on the dedicated guides for Running Trails around Miane, Gravel biking around Miane, and Mountain Hikes around Miane.
Yes, many passes serve as starting points or are integrated into hiking routes. For instance, the Passo di Praderadego is crossed by the CAI 1028 path, which traces a historical route. Additionally, you can find specific mountain hikes like the 'San Boldo Pass – Loff Bivouac loop from San Boldo' which starts directly from a pass. More hiking options are available in the Mountain Hikes around Miane guide.
Near the passes, you can find places to rest and even stay overnight. For example, the Costa Curta Bivouac is a splendid, well-maintained bivouac in a great position with views and a large surrounding meadow, offering a quiet place to rest or have a packed lunch. At the summit of Passo di Praderadego, there is also the Ai Faggi restaurant bar, which can serve as a place to refuel.
Visitors highly appreciate the unique experiences offered by the passes. The San Boldo Pass is often described as a 'street spectacle' and cycling it evokes a 'unique emotion' with its magnificent panoramas. The historical significance, challenging climbs, and scenic viewpoints are also frequently mentioned as highlights by the komoot community, which has contributed over 270 upvotes and 45 photos to the area.
Yes, the region offers several gravel biking routes. You can explore options like the 'Isola dei Morti Memorial – Isola dei Morti Memorial loop from Cison di Valmarino' or the 'Lakes of Revine – Lago di Lago loop from Follina'. These routes often traverse scenic landscapes and provide a good challenge for gravel enthusiasts. More details can be found in the Gravel biking around Miane guide.
The 'Road of 100 Days' refers to Passo San Boldo — The Road of 100 Days. It's a mountain pass and historical site known for its impressive climb and unique engineering. It features narrow tunnels where vehicles can only drive in one direction, making for a distinctive and memorable experience. It was constructed rapidly by Austro-Hungarian troops during WWI.


See even more epic mountain passes by checking out these guides around Miane: