Driving the old military road to Schlusseljoch in South Tyrol

Driving the old military road to Schlusseljoch in South Tyrol

Italy, europe

Length

14.1 km

Elevation

2,212 m

Difficulty

extreme

Best Season

Year-round

# Schlüsseljoch: A Bucket-List Alpine Challenge

Perched at 2,212m (7,257ft) in the stunning Zillertal Alps, Schlüsseljoch is one of those legendary passes that separates the adventurous from the faint-hearted. Known locally as Col della Chiave or Passo della Chiave, this mountain gateway sits right on the border between Italy's South Tyrol and Austria, bridging the Val di Vizze to the west with the Valle Isarco to the east.

Here's where it gets interesting: the entire 14.1 km (8.76 miles) route is unpaved. This old military track, built with strategic purposes in mind, isn't your typical smooth mountain pass. We're talking narrow, rough, seriously damaged surfaces with steep sections and teeth-rattling hairpin turns. If you're bringing wheels, you'll absolutely need a high-clearance 4x4—and even then, you might want to reconsider.

The drive starts near the village of Borgone on the SP508 Road and finishes at the SS12 near Terme di Brennero. It's slow going, demanding every ounce of your vehicle's (and your) capability.

**Fair warning though:** many high mountain tracks in South Tyrol are now off-limits to regular vehicles. Before you pack the car, check local regulations around the Sterzing/Vipiteno area first. If it's closed to cars, don't worry—the Schlüsseljoch has become a legendary (and brutal) playground for mountain bikers and hikers.

Also worth knowing: this pass gets buried under snow from late October through June, and there's zero winter maintenance. Winter driving? Not happening.

Where is it?

Driving the old military road to Schlusseljoch in South Tyrol is located in Italy (europe). Coordinates: 42.6001, 12.1468

Share this road

Road Details

Country
Italy
Continent
europe
Length
14.1 km
Max Elevation
2,212 m
Difficulty
extreme
Coordinates
42.6001, 12.1468

Related Roads in europe

Estany Negrehard

Estany Negre

🇪🇸 Spain

# Estany Negre: A High-Alpine Adventure in the Pyrenees Nestled in the heart of Catalonia's Pallars Sobirà comarca, Estany Negre sits at a jaw-dropping 2,323 meters (7,621 feet) above sea level. This stunning glacial lake is one of Spain's highest mountain roads, and for good reason—the journey here is absolutely unforgettable. The route, known as Camí de l'Estany Negre, winds through the Aigüestortes i Estany of Saint Maurici National Park on a rugged gravel and rocky surface that'll test your driving skills. Fair warning: this isn't a leisurely Sunday drive. Expect relentless elevation changes—constant ups and downs, sharp lefts and rights—with 14 hairpin turns to keep you on your toes. The 8.7-kilometer ascent from the park entrance climbs 674 meters with an average gradient of 7.74%, so it's definitely steep and demanding. The road is only typically passable from July to September, depending on weather conditions, which tells you everything you need to know about the terrain. This is absolutely a trail for experienced mountain drivers only. If unpaved alpine roads make you nervous, skip this one. And yes, this place requires a serious head for heights—these views come with some serious exposure. One thing to note: personal vehicles aren't allowed in the national park itself. Only local jeeps and Land Rovers operate as shuttle taxis, so you'll need to arrange transport through them. The lake's name comes from its impressive depth—a cool 100 meters of pristine alpine water that's worth every bump and turn to see.

Sasseneirehard

Sasseneire

🇨🇭 Switzerland

# Sasseneire: A Wild Alpine Adventure Tucked away between Val de Moiry and Val d'Herens in Switzerland's Hérens district, Sasseneire is a rugged 2,493m (8,179ft) peak that'll test your off-roading skills. The name means "black rock," and once you see the terrain, you'll understand why. This isn't your typical scenic drive. The road up is raw and unforgiving—think loose gravel, rocky patches, and a gradient that regularly exceeds 30%. The further you climb, the steeper and more technical it gets, with chunks of loose stone threatening your traction at every turn. You'll absolutely need a proper 4x4 to attempt this one. Mother Nature doesn't play nice up here either. Wind is basically a constant companion in these Swiss Pennine Alps, howling year-round with particular ferocity. Don't be fooled by summer schedules—snow can surprise you even in the warm months. Winter? Brutally cold, and conditions deteriorate fast. This road is strictly for experienced mountain drivers who actually enjoy wrestling with unpaved terrain. If you're more comfortable on smooth asphalt, save yourself the headache and pick a different adventure. But if you're craving that authentic, no-frills alpine experience, Sasseneire delivers in spades.

Where is Tskhratskaro Pass?extreme

Where is Tskhratskaro Pass?

🇬🇪 Georgia

Okay, picture this: you're in the Samtskhe–Javakheti region of Georgia, ready to tackle the Tskhratskaro Pass. This baby climbs up to 2,471m (8,106ft) above sea level, and let me tell you, it's a RIDE. You'll find it snaking through the Ktsia-Tabatskuri Managed Reserve in the southern part of the country. And get this – there's a police checkpoint at the summit, like, in the middle of nowhere. Time to get your papers in order! Now, about the road itself: it's 79.2 km (49.21 miles) of pure, unadulterated off-road adventure, connecting Akhalkalaki and Borjomi. We're talking loose rocks, super narrow sections, and some serious drop-offs. M-20, as it's known, is technically open to all vehicles, but trust me, you'll want a 4x4 for this one. The first part is manageable, but it gets gnarlier as you climb. Also, pro tip: fuel up and stock up on snacks beforehand, because there are zero services along the way. Heads up: this pass is in the Trialeti mountains, so avoid it during bad weather. Avalanches, blizzards, and landslides can shut it down in a heartbeat, not to mention the sneaky ice patches. But is it worth it? Absolutely! The views are insane. You'll be glued to the road, but try to sneak a peek at the Borjomi-Bakuriani landscape, the Greater Caucasus, Mount Elbrus, and the unreal Tabatskuri Lake. Seriously, bring your camera! You'll need those epic shots to prove you survived.

Where is Palinkopf?hard

Where is Palinkopf?

🇨🇭 Switzerland

Okay, adventurers, listen up! I've got a wild one for you: a seriously high mountain road straddling the border of Switzerland and Austria. Think stunning alpine views, but be warned, this isn't your average Sunday drive. We're talking about reaching the Palinkopf, sitting pretty on the Tyrolean/Grisons border, accessible from Ischgl, Austria. The road to the summit? Forget pavement! It's a rugged, unpaved service road used to access the chairlifts of the epic Samnaun-Ischgl ski area. Expect a bumpy, adrenaline-pumping ride. The climb is intense, with sections hitting a hefty gradient that will test your driving skills and your vehicle. From Ischgl, you're looking at a journey of about 5.3 km, climbing over 630 meters with an average gradient of 12%. Prepare for some steep ramps that will make your heart race. Given its altitude in the Samnaun Alps, this road is only passable during a very short summer window. So, if you're craving an off-the-beaten-path adventure with killer views, add this one to your list! Just make sure you have the right vehicle and a healthy dose of courage.