The Stelvio Pass is the road that turned a Top Gear episode into a pilgrimage. Forty-eight numbered hairpins climb the north face from Prato allo Stelvio to 2,757 metres — the second-highest paved pass in the Alps — and every single one of them demands your full attention.

But Stelvio isn't just a spectacle. It's a genuinely demanding drive that rewards preparation and punishes over-confidence. The hairpins are tight, the gradient is relentless, and the traffic on a summer weekend can turn the whole thing into a car park.

This Stelvio Pass driving guide covers both approaches, the best time to go, what to watch out for, and how to get the most from one of Europe's most iconic mountain roads.

Quick Facts: Stelvio Pass at a Glance

The Two Approaches: Prato vs Bormio

Stelvio has two main approaches, and they deliver completely different driving experiences. A third, shorter approach from Trafoi joins the Prato side partway up. Choosing your approach — or doing both — is the first decision you need to make.

The North Face: Prato allo Stelvio

This is the Stelvio. The side you've seen in photographs, the side with the 48 numbered hairpins stacked on top of each other in a pattern so dense it looks almost impossible from below.

The climb from Prato allo Stelvio is 24.3 km with 1,808 metres of elevation gain. The gradient averages 7.5% but kicks up to 14% on some of the hairpin ramps. The hairpins are numbered from bottom to top — hairpin 1 is down in the valley, hairpin 48 is just below the summit.

Here's the thing about the north face: the hairpins are genuinely tight. We're talking first-and-second-gear territory on most of them, with very little room for error on the outside edge. The road is narrow enough that passing a tour bus mid-hairpin requires patience and spatial awareness.

The famous section — the one in every photograph — is the upper quarter, roughly hairpins 34 to 48. This is where the road climbs above the treeline and the switchbacks become visible from below in that iconic zigzag pattern. The lower section through the forest is less dramatic visually but still demanding technically.

The South Face: Bormio

The Bormio side is longer in terms of driving time but less visually dramatic. It has 40 bends (not all numbered like the north) with 1,533 metres of climb from the spa town of Bormio at 1,225 m.

The Bormio approach is faster and more flowing than the Prato side. The corners are generally wider, the gradient slightly less aggressive, and there are longer straights between the hairpin sections. Many drivers prefer it as a driving road precisely because the rhythm is more varied — you get tight hairpin clusters separated by faster sweeping sections.

The upper section of the Bormio side passes through a series of tunnels and rock galleries carved into the mountainside. These are narrow, sometimes unlit, and occasionally wet — something to be aware of.

The Trafoi Approach

From the village of Trafoi, a road joins the Prato approach at around hairpin 34. This gives you access to the most spectacular upper section of the north face without the full climb from the valley floor. It's a good option if time is limited, but you'll miss the buildup that makes the upper section feel earned.

How to Drive the Stelvio Pass

Stelvio rewards a methodical approach. Here's what actually matters when you're on the road.

Best Direction

Drive north to south (Prato to Bormio) for the best experience. Climbing the north face puts you on the inside of the hairpins, giving you better visibility through each turn and more room to position your car. Descending the north face means you're on the outside — closer to the drop-offs, with gravity pulling you toward each corner's exit.

That said, doing the pass in both directions on the same day is entirely feasible and gives you the complete experience. Just be aware that what felt manageable on the climb can feel considerably more exposed on the descent.

The Hairpins: What to Expect

The 48 hairpins on the north face fall into three distinct zones:

• Hairpins 1–15 (forest zone): Tree-lined, shaded, moderate gradient. The hairpins are spaced further apart with short connecting sections. Good warm-up territory.
• Hairpins 16–33 (transition zone): The trees thin out, the gradient steepens, and the hairpins become tighter and more frequent. Traffic tends to bunch up here as slower vehicles create queues.
• Hairpins 34–48 (alpine zone): Above the treeline, fully exposed, and visually extraordinary. The hairpins are stacked tightly and the road narrows. This is where you need the most concentration — and where most people stop to take photos.

Every hairpin is essentially a 1 or 2 on the rally severity scale — near-stationary turns requiring first or second gear. The connecting sections between hairpins range from 3s to 5s depending on how long the straight is. Rods calls out the severity of each corner through your speakers as you approach, which is genuinely useful here because the sheer repetition of hairpins can dull your concentration — a "tightens" call on hairpin 37 snaps your focus back when you've already driven 36 of them.

Gradient and Gearing

The north face averages 7.5% but individual hairpin ramps can hit 14%. If you're driving a manual, you'll spend most of the climb in first and second gear. Automatics will hunt between gears on the steeper ramps — consider using manual mode if your car has it.

On the descent, engine braking is essential. Riding the brakes for 24 km of continuous descent will overheat them. Stay in a low gear and let the engine do the work, using the brakes only to scrub speed before each hairpin.

Altitude Effects

At 2,757 m, naturally aspirated engines lose roughly 25% of their sea-level power. Turbocharged engines cope better but still lose some boost efficiency. Don't be surprised if your car feels sluggish in the upper section — it's physics, not a fault.

Brake cooling is actually better at altitude (thinner air means less heat retention), but the continuous steep gradient more than offsets this advantage.

Best Time to Drive the Stelvio Pass

The pass is typically open from late May or early June through mid-November, depending on snowfall. The exact dates vary each year — check the South Tyrol road authority website before planning.

Ideal Windows

• Early June (just after opening): Snow walls line the upper sections, minimal traffic, but weather can be unpredictable. Dramatic.
• Mid-September to early October: Stable weather, thinning crowds, autumn colours beginning in the lower valleys. Arguably the best overall window.
• Weekday mornings (any month): The single biggest factor in your Stelvio experience is traffic. Arrive at the base before 08:00 on a weekday and you may have the north face almost to yourself for the first hour.

Times to Avoid

• July and August weekends: Tour buses, motorcycle groups, cyclists (the Stelvio is a legendary cycling climb), and general tourist traffic can create gridlock on the hairpins. Some hairpins require waiting for oncoming traffic to clear before you can proceed.
• The Stelvio Bike Day (usually late August/September): The pass closes to motor vehicles for one day each year for a cycling event. Check dates in advance.

What to Watch Out For

Stelvio has specific hazards that catch people off guard.

• Tour buses on hairpins: They swing wide and need the full road width. If you see one approaching a hairpin from the opposite direction, stop and let it through. There is genuinely not enough room for two vehicles on some of the tighter turns.
• Cyclists: The Stelvio is one of the most famous cycling climbs in the world. Cyclists will be on the road from early morning, often in large groups. They move slowly on the climbs but can be surprisingly fast on descents. Give them space.
• Wet hairpins: Rain or snowmelt can pool on the inside of hairpins, exactly where you want to position your car. The painted line markings become extremely slippery when wet.
• Altitude sickness: Unlikely to be severe, but some people experience mild headaches or light-headedness at 2,757 m, especially if they've driven up quickly from sea level.
• Motorcycles: Stelvio is extremely popular with motorcyclists, many of whom ride aggressively through the hairpins. Be aware of bikes overtaking in unexpected places.

Nearby Fuel, Food, and Accommodation

Fuel: Fill up in Prato allo Stelvio or Bormio before starting. There's a small station in Trafoi but don't rely on it being open.

Food at the summit: The summit has several restaurants and cafes. Prices are tourist-level but the food is decent South Tyrolean fare — dumplings, strudel, and strong coffee. The terrace views are worth a stop.

Accommodation: Prato allo Stelvio and Bormio both have a good range of hotels. Bormio is a larger town with more options and a famous thermal spa. For something closer to the road, the Hotel Franzenshohe sits at 2,188 m on the Prato side and puts you partway up the pass for an early-morning start.

Combining Stelvio with Other Passes

Stelvio sits at the junction of several excellent Alpine passes. A single day can include:

• Stelvio + Umbrail Pass — The Umbrail branches off near the Stelvio summit toward Switzerland. It's a narrower, rougher road with fewer tourists and outstanding views.
• Stelvio + Gavia Pass — South from Bormio, the Gavia (2,621 m) is wilder and less developed than the Stelvio, with a genuinely remote feel.
• Stelvio + Bernina Pass — East from Bormio through Switzerland, the Bernina is a smoother, faster road with glacier views.

For more Alpine pass ideas, the best driving roads in Europe guide covers the top picks across the continent.

A Brief History of the Stelvio Pass

The road was built between 1820 and 1825 by the Austrian Empire, engineered by Carlo Donegani. At the time, it was the highest paved road in the Eastern Alps and served as a military and trade route connecting the Lombardy plains to the Tyrol.

The 48 hairpins on the north face weren't an engineering choice — they were an engineering necessity. The gradient had to stay manageable for horse-drawn carts and military supply wagons, which meant the road had to zigzag up a face that climbs nearly 1,800 vertical metres in less than 25 km of horizontal distance.

In 2008, Top Gear named the Stelvio the "greatest driving road in the world." Whether or not you agree — and plenty of driving enthusiasts argue that other passes are more enjoyable to actually drive — that broadcast turned the Stelvio from a well-known Alpine road into a global bucket-list destination.

The cycling history runs even deeper. The Stelvio has featured in the Giro d'Italia since 1953 and is considered one of the hardest climbs in professional cycling. The Cima Coppi (the race's highest point) frequently sits at the Stelvio summit.

FAQ

Is the Stelvio Pass free to drive? Yes. Unlike some Austrian and Swiss passes, the Stelvio has no toll. You can drive it as many times as you like at no cost. There are paid parking areas at the summit if you want to stop.

When does the Stelvio Pass open and close? Typically late May or early June through mid-November, depending on snowfall. The exact dates change each year — check the official South Tyrol road authority announcements before planning your trip.

Is the Stelvio Pass dangerous? The road itself is well-maintained and has guard rails on the most exposed sections. The main risks are driver error on the tight hairpins, encounters with tour buses and cyclists, and weather changes at altitude. Drive within your limits and you'll be fine.

How long does it take to drive the Stelvio Pass? Allow 45–60 minutes for the north face (Prato to summit) without stops, or 30–45 minutes for the Bormio side. In practice, photo stops, traffic delays, and general awe will stretch this considerably. Budget 2–3 hours for a relaxed round trip.

Can I drive the Stelvio Pass in a normal car? Absolutely. The road is paved and maintained. You don't need a sports car or an SUV — any car in decent mechanical condition will handle it. Just use low gears for the gradient and don't ride the brakes on the descent.