San Boldo Pass is a military road with 18 hairpin turns and 5 tunnels
Italy, europe
1 km
712 m
hard
Year-round
# Passo di San Boldo: Italy's Wild Mountain Marvel
Nestled in northeastern Italy's Veneto region at the southern edge of the Alps, Passo di San Boldo is a jaw-dropping mountain pass that sits 712m above sea level. This isn't just any scenic drive—it's a white-knuckle adventure that'll have you gripping the steering wheel like your life depends on it.
The star of the show is the 11.6km stretch of Strada Provinciale 635 that connects Tovena to Sant'Antonio Tortal. What makes this road absolutely legendary? Eighteen hairpin turns, six tunnels, and some seriously insane engineering. The real showstopper is a mind-bending 1km section packed with five tunnels carved directly into the rock face, eight numbered switchbacks, and six bridges that'll make your heart skip a beat.
Here's where it gets wild: this road has a genuinely epic backstory. Built in just four months (February to June 1918) during World War I, it earned the nickname "Road of 100 Days." An incredible 1,400 people—soldiers, prisoners of war, and local residents—worked around the clock to create this strategic supply route for the Battle of Piave. Engineer Giuseppe Carpenè directed the project, which originally started in 1914.
The numbers tell you everything you need to know about the challenge: despite the brutal terrain, the grade was limited to 12% for heavy military vehicles. Yet some of those switchback ramps? They hit a jaw-dropping 37% gradient. Today, one-way traffic controlled by traffic lights keeps things manageable, with a 30 km/h speed limit and a 3.2m height restriction (buses kept getting stuck in the tunnels).
Fun fact: the pass is named after San Boldo, a Spanish hermit who once lived in these mountains and eventually became a saint. Pretty cool naming story for one seriously intense drive.
Where is it?
San Boldo Pass is a military road with 18 hairpin turns and 5 tunnels is located in Italy (europe). Coordinates: 46.0050, 12.1697
Road Details
- Country
- Italy
- Continent
- europe
- Length
- 1 km
- Max Elevation
- 712 m
- Difficulty
- hard
- Coordinates
- 46.0050, 12.1697
Related Roads in europe
hardDriving to Puerto de Valdelinares: The Highest Town in Spain
🇪🇸 Spain
# Puerto de Valdelinares: Spain's Alpine Challenge Craving a high-altitude adventure? Head to Puerto de Valdelinares in Teruel, where this mountain pass sits pretty at 1,837m (6,026ft) above sea level in Spain's Aragón region. It's part of the charming Valdelinares—claim to fame: Spain's highest town on the peninsula! The 25.3 km (15.72 miles) route runs north-south between Allepuz and Linares de Mora, cutting through the stunning Sierra de Gúdar range. It's fully paved (though the pavement has definitely seen better days), and you'll encounter narrow sections, steep climbs, and those hairpin curves that'll keep you on your toes. The road is officially called TE-V-3, and it's legit enough to have been featured in the Spanish Vuelta cycling race. The scenery is absolutely worth it, but come prepared: while the pass typically stays open year-round, winter can throw curveballs with sudden closures thanks to gnarly weather conditions. Plan accordingly, and you've got yourself an epic drive through some seriously beautiful mountain terrain.
hardNational Tourist Route Valdresflye is a scenic drive in Norway
🇳🇴 Norway
# Valdresflye: Norway's Epic Mountain Drive Craving one of Norway's most iconic scenic drives? Look no further than Valdresflye, a stunning 49km (30.44 miles) mountain road that'll blow your mind. This gem winds through Innlandet county in eastern Norway, connecting the charming town of Garli near Beitostølen to Besstrondsæter in Vågå. What makes this route so special? It's totally paved and sits perched high on the eastern slopes of the Jotunheimen mountains, topping out at an impressive 1,393m (4,570ft) above sea level. You're literally driving one of the country's highest roads. The road gets narrow in spots, but it's mostly smooth sailing across rolling terrain that feels absolutely effortless—like it's floating above the landscape. The views? Absolutely breathtaking. From the mountain plateau, you'll catch stunning vistas of Jotunheimen National Park, then swoop down through gorgeous cultivated valleys dotted with mountain pastures. The contrast is incredible—wild, jagged peaks to the north giving way to serene rolling hills to the south. It's like you're getting two completely different landscapes in one drive. The route typically opens in early May and stays accessible through November, though the summit weather can shift in a heartbeat, so come prepared. The plateau is a legendary launching point for spring skiing expeditions and hikes into the Jotunheimen peaks. **Quick Details:** No ferries, but note that winter closures affect some stretches between Garli and Maurvangen (though the Hindsæter to Gjendesheim section stays open). Keep your eyes peeled for reindeer herds along the way!
moderateAlto de las Chorreras
🇪🇸 Spain
Okay, adventure seekers, listen up! If you're looking for a thrill in Andalusia, Spain, the Alto de las Chorreras is calling your name. Perched way up in the Sierra Nevada National Park, this peak hits an elevation of 2,371m (that's 7,778ft!). We're talking about one of Spain's highest roads, folks. Now, fair warning: this isn't your Sunday cruise. The road is gravel, rocky, and can get pretty wild. Think tippy and bumpy, so experienced off-roaders will have a blast. If unpaved mountain roads aren't your thing, maybe sit this one out. A 4x4 is a must! Be prepared for some serious wind – it howls up here year-round. Winter temps are no joke, and snow can shut things down anytime. But if you're up for the challenge, the views are absolutely epic!
extremeWhere is Alt de Capolat?
🇪🇸 Spain
Alt de Capolat is a wild ride! Perched way up in Spain at 1,307m (4,288ft), get ready for some serious views and some serious driving. You'll find this beauty nestled in the Berguedà comarca of Catalonia, northeast Spain. The buzz around this pass started when cycling enthusiasts scouted it out for the Vuelta España, dreaming of epic climbs. The entire route is paved, thankfully, since it was originally built with just picks and shovels. The road winds through the stunning Congost de Malpás gorge, carved out by the Ora River—keep an eye out for a metal plaque commemorating the construction. Clocking in at 17.9 km (11.12 miles), the road goes from the C26 Road, west of L'Espunyola, up to the BV-4241 Road, past Túnel de Capolat. "Challenging" doesn't even begin to cover it. The road is grippy in spots, but watch out for loose gravel. And hold your breath—it's super narrow, barely wide enough for two regular cars to squeeze by. Speaking of challenging, the grades here are no joke, reaching a lung-busting 22%! They say one particular kilometer is among the most intense in Catalonia. Be prepared for sustained stretches of 14% with constant spikes to 18% and 20%.