San Boldo Pass
Passo di San Boldo
Italy · Veneto
706m
Key Facts
- Elevation
- 706m
- Route length
- 17 km
- Max gradient
- 12%
- Hairpins
- 19
- Driving difficulty
- Moderate (2/5)
- Surface
- Good
- Open
- Year-round
Route & Map
Loading map
Route
STrichiana
17 km · max 12%
▲San Boldo Pass (706m)
Descent
ETovena
Remarkable engineering with five tunnels carved through rock, connected by hairpins on a cliff. Built by the Austro-Hungarian army in WWI in 100 days. One-way tunnel traffic.
Weather & Conditions
Driving Experience
Elevation Profile
↑265m gain
↓744m loss
739m → 739m → 260m
Difficulty
Moderate
2/5 — car driving difficulty
Based on steepness, elevation gain, hairpins, road length & surface quality
Hairpin Turns
19
Serious switchback territory
When to Drive
Year-round (best: July - September)
- ›Open year-round, though winter conditions may require snow equipment.
- ›Morning hours offer the best driving conditions with less traffic.
- ›The switchbacks reward smooth, deliberate driving over speed.
Coordinates
- Summit
- 46.0060°N, 12.1697°E
- Start (Trichiana)
- 46.0489°N, 12.1782°E
- End (Tovena)
- 45.9793°N, 12.1751°E
#wwi-history#tunnels#engineering-marvel#one-way-traffic
Explore More
Image: kallerna / CC BY-SA 4.0