Mountain passes around Tarzo are situated in a region characterized by hills and mountainous terrain at the southern edge of the Alps. This area connects the Val Belluna with Val Mareno, offering diverse landscapes. The passes often feature historical significance, particularly from World War I, alongside unique engineering marvels. The terrain provides opportunities for both challenging climbs and scenic routes.
Last updated: October 13, 2026
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The summit of Passo San Boldo between the provinces of Treviso and Belluno.
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There is no second time. Built in 100 days.
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Very beautiful if the sky is clear, very suggestive if it is cloudy
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Pizzoc is a mountain in the Treviso Prealps. It reaches 1,565 meters above sea level, making it one of the highest points in the municipality of Fregona and the province of Treviso, to which it belongs.
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Besides being a beautiful climb, it is a masterpiece of road engineering.
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Unique road/tunnel layout with traffic lights, meaning it can also be driven uphill safely as the sections are short
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beautiful panoramic summit near the Rigugio
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This viewpoint allows you to enjoy a fantastic 360° panorama, easy to reach, there are benches with tables for any lunch break, very large. beautiful.
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The San Boldo Pass is renowned for its unique engineering, featuring 18 hairpin bends and five tunnels, many blasted directly into the rock. It was famously built in just 100 days by the Austro-Hungarian army during World War I, earning it the nickname "Road of 100 Days." This historical significance and its intricate design make it a captivating experience for visitors.
Many mountain passes in the region carry significant history. The San Boldo Pass is a prime example, built under extreme conditions during World War I. Additionally, the Pian delle Femene Saddle is remembered as a site of partisan resistance during World War II, with a stele and museum commemorating those events.
The mountain passes offer breathtaking panoramas. From Pian delle Femene Saddle, you can enjoy incredible views of the Po plain and the Belluno Dolomites, with the possibility of seeing as far as the Venice lagoon on clear days. The San Boldo Pass also provides stunning vistas of the surrounding mountains and valleys, connecting Val Belluna with Val Mareno.
Yes, due to its narrowness, especially within the tunnels, traffic on the San Boldo Pass is regulated by several sets of lights, allowing only one direction of travel at a time. There is also a height limit of 3.2 meters. The pass is generally open all year round.
Absolutely! The San Boldo Pass is a popular destination for cyclists, offering a challenging yet invigorating climb with rewarding views. Its unique series of tunnels and hairpin turns provides a thrilling experience, and it has even been featured in the Giro d'Italia. For more cycling information, you can visit this page.
The region offers various hiking opportunities. From Zoppei Pass, you can start routes towards Col Visentin or along the ridge of Monte Agnelez. For more detailed hiking routes, explore the Hiking around Tarzo guide, which includes trails like the moderate 'Monte Comun dal Lago di Santa Maria – loop hike'.
Beyond cycling and hiking, the area around Tarzo's mountain passes is excellent for other outdoor pursuits. You can find numerous running trails, such as the 'Lake Santa Maria – Va' dee Femene loop from Tarzo' in the Running Trails around Tarzo guide. Gravel biking is also popular, with challenging routes like the 'Passo di Praderadego – San Boldo Pass loop' detailed in the Gravel biking around Tarzo guide.
The San Boldo Pass is open all year round, making it accessible for exploration in any season. While specific seasonal conditions can vary, the region's diverse landscapes offer beauty throughout the year, whether you're seeking challenging climbs or scenic routes.
While some passes like San Boldo Pass offer a unique driving experience, their narrow roads and traffic lights might require careful consideration with young children. However, the broader region offers various family-friendly hiking trails and scenic spots. It's best to check specific route difficulties and features when planning a family outing.
For Zoppei Pass, there is ample parking available before the transit ban, making it a comfortable starting point for those wanting to explore the ridge towards Col Visentin or Monte Agnelez. Always check local signage for parking regulations at other passes.
Visitors frequently highlight the unique experiences offered by the passes. For San Boldo Pass, the 'street spectacle' of its construction and the 'unique emotion' of cycling through its tunnels are often mentioned. At Pian delle Femene Saddle, the 'incredible view of the Po plain' and the Belluno Dolomites is a major draw, with some even noting the possibility of seeing the Venice lagoon.


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