San Boldo Pass – San Boldo Pass Tunnels loop from Tarzo

San Boldo Pass – San Boldo Pass Tunnels loop from Tarzo

Moderate

5.0

(1)

riders

San Boldo Pass – San Boldo Pass Tunnels loop from Tarzo

01:22

23.3km

550m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: October 8, 2026

Waypoints

Start point

Parking

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5.37 km

Tovena

Highlight • Settlement

Tovena is a small and charming hamlet of the municipality of Cison di Valmarino in the province of Treviso.
it.wikipedia.org/wiki/Tovena

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8.36 km

View of Passo dei 100 Giorni

Highlight • Viewpoint

10.5 km

Austro-Hungarian Tunnels of 1918

Highlight • Historical Site

Small pass not very difficult but of an interesting construction and a historical curiosity of the Great War

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11.2 km

View of the tunnels on the Strada dei 100 Giorni (San Boldo Pass)

Highlight • Viewpoint

Austrian military road, a masterpiece of road engineering.

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11.4 km

Passo San Boldo — The Road of 100 Days

Highlight • Mountain Pass

The climb that leads to the pass is not very demanding, when you get to the top the fatigue disappears in front of the beauty and you are left speechless.

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11.5 km

San Boldo Pass

Highlight • Mountain Pass

What a street spectacle, built by Austro-Hungarian troops with local workers and workers in 100 days. Doing it while cycling is a unique emotion.

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11.9 km

San Boldo Pass Tunnels

Highlight • Mountain Pass

The San Boldo Pass, which connects Valbelluna to Valmareno between the municipalities of Cison di Valmarino and Borgo Valbelluna, is one of the most spectacular passes in the Venetian Prealps. …

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