In 2009, Jeremy Clarkson stood on a Romanian mountaintop, looked back at the road he'd just driven, and declared the Transfagarasan "the best road in the world." Whether you agree or not — and there are strong contenders — one thing is beyond debate: the Transfagarasan is one of the most dramatic driving experiences you can have on a public road, anywhere.

Ninety kilometres of engineered madness carved through the Carpathian Mountains, climbing to 2,042 metres at Balea Lake, passing through a tunnel blasted through the summit ridge, and dropping down the other side through hairpins that would make an Alpine engineer nervous.

This Transfagarasan driving guide covers everything you need — both approaches, the best time to go, road conditions, and the practical details that separate a great drive from a frustrating one.

Quick Facts: Transfagarasan at a Glance

The History: Ceausescu's Military Road

The Transfagarasan exists because of Cold War paranoia. After the 1968 Soviet invasion of Czechoslovakia, Romanian dictator Nicolae Ceausescu feared a similar move against Romania. He ordered a military road built through the highest section of the Carpathians — a route that would allow rapid troop movement between Transylvania and Wallachia if Soviet forces invaded through conventional border crossings.

Construction began in 1970 and took four years. The official cost was enormous; the human cost was worse. Soldiers and political prisoners blasted and dug through solid mountain rock, often with inadequate equipment. Estimates suggest dozens of workers died during construction, though the exact number was never officially recorded.

The result is a road that was never designed for tourism. It was built for military trucks to cross the Carpathians quickly, which means the engineering prioritises directness over elegance. The hairpins are tighter than they need to be, the road is narrower than you'd expect, and the gradients are steeper than a modern road engineer would allow. That rawness is part of what makes it extraordinary to drive.

The Two Approaches: South vs North

The Transfagarasan has two distinct halves, and they feel like different roads entirely.

The South Approach: Curtea de Arges

This is the famous side — the one Top Gear drove, the one in every YouTube thumbnail. Starting from the town of Curtea de Arges and heading north, the road initially follows the Arges river valley through forest. The first 20-odd kilometres are pleasant but unremarkable: flowing bends through trees, moderate gradient, building anticipation.

Then the hairpins start.

The upper section of the south approach packs dozens of tight hairpins into a vertical climb of roughly 1,000 metres. The switchbacks are stacked on the mountainside in a pattern reminiscent of the Stelvio, though less orderly. Some hairpins are wide enough to feel manageable; others are tight enough that you'll need to swing wide before turning in.

The road passes the Vidraru Dam — a massive hydroelectric dam spanning a gorge — which is a natural stopping point. Beyond the dam, the climb intensifies. The forest thins, the views open up, and the hairpins become more exposed. The final few kilometres before the tunnel are the most dramatic: bare rock, steep drop-offs, and the summit ridge looming above.

The North Approach: Cartisoara

The north side, starting near the town of Cartisoara (close to Sibiu), is longer, more flowing, and less technically demanding than the south. The hairpin density is lower, the curves are generally wider, and the gradient is more gradual.

That doesn't mean it's boring. The north side has its own character: long sweeping bends through alpine meadows, several tunnel sections, and a rhythm that rewards smoothness over aggression. The scenery transitions from pastoral farmland through dense forest to bare mountain in a way that feels more gradual and immersive than the south's sudden verticality.

Many driving enthusiasts consider the north side the better driving road — it flows more naturally and allows you to carry speed. The south side is more dramatic and better for photos.

The Summit: Balea Lake and the Tunnel

At the top, the road passes through a tunnel blasted directly through the summit ridge. The tunnel is roughly 900 metres long, single lane in each direction, and lit by sporadic fluorescent tubes. It's an atmospheric transition — you enter in one landscape and emerge in another.

Balea Lake sits at 2,034 metres on the north side of the tunnel. It's a natural glacial lake surrounded by hiking trails and a few chalets. The area gets crowded in peak summer, but it's a natural stopping point for photos, food, and a moment to process what you've just driven.

How to Drive the Transfagarasan

Best Direction

Drive south to north (Curtea de Arges to Cartisoara). This puts the dramatic south-side hairpins as your climb rather than your descent — you'll have better visibility through the switchbacks, more control on the gradient, and the visual payoff of the summit approach builds with every hairpin.

Descending the north side afterward is a flowing, rewarding finish that lets you unwind after the intensity of the south.

Doing both directions in a single day is feasible — it's roughly 90 km each way — but budget the full day.

Surface Conditions

The Transfagarasan's surface quality is variable. Some sections are recently resurfaced and smooth; others have patches, cracks, and occasional loose gravel at the edges. The road quality has improved significantly in recent years as Romania has invested in maintenance, but don't expect the billiard-table tarmac of an Austrian toll road.

Specific things to watch for:

• Gravel on hairpin exits — loose material washes down from the hillsides and collects on the outside of corners
• Water runoff — mountain streams cross the road in several places, leaving wet patches that persist all day in shaded sections
• Frost heave patches — the freeze-thaw cycle at altitude creates uneven surfaces, particularly in the upper sections early and late in the season

If you're driving an unfamiliar road like this for the first time, having advance knowledge of surface changes and corner severity is genuinely valuable. Rods calls out corner difficulty and flags surface changes through your speakers as you drive — useful when you don't know whether the next hairpin tightens or opens until you're already in it.

Traffic and Overtaking

The Transfagarasan gets busy in July and August. Tour buses, campervans, cyclists, and sightseeing traffic all share the same narrow road. Overtaking opportunities are limited on the hairpin sections — be patient and use the occasional straight sections between switchback clusters.

Local Romanian drivers often know the road well and drive accordingly. Give faster locals room to pass and don't try to match their pace on an unfamiliar road.

Speed Limits

The posted speed limit is 40 km/h on the hairpin sections and higher on the valley approaches. Romania has speed cameras on some sections, including fixed cameras near the Vidraru Dam area.

Best Time to Drive the Transfagarasan

The pass is typically open from late June to late October, though exact dates depend on snowfall. The opening date is announced by the Romanian road authority (CNAIR) each year.

Ideal Windows

• Late June (just after opening): Snow walls may still line the upper sections. Minimal traffic. Weather unpredictable but dramatic.
• September: Stable weather, fewer tourists, autumn colours beginning in the lower valleys. Probably the best overall window.
• Weekday mornings: The effect is the same as any popular driving road — arrive early on a weekday and you'll have a fundamentally different experience than arriving on a Saturday afternoon.

Times to Avoid

• July and August weekends: Peak tourism season. The road gets congested, especially around Balea Lake and the Vidraru Dam. Hairpin sections can have five-minute waits.
• Late October: The pass can close with little warning when early snowfall hits. Don't plan a trip for the last week of October expecting the road to be open.

What to Watch Out For

• Stray animals: Sheep, goats, and occasionally cattle wander onto the road, particularly on the north side where the route passes through alpine meadows. Dogs accompanying flocks sometimes sleep on the warm tarmac.
• Tunnel conditions: The summit tunnel has no ventilation fans and minimal lighting. On busy days the air quality inside is poor from vehicle exhaust. Keep your windows up and lights on.
• Weather changes: The summit sits at 2,042 m, and weather can shift from sunshine to fog, rain, or even snow within an hour. Carry a jacket even in summer.
• Romanian driving style: Local driving can be assertive. Don't be alarmed by close overtakes or flashed headlights — it's how traffic communicates on Romanian mountain roads.
• Motorcycles: Very popular with motorcycle touring groups, many on rented bikes with varying skill levels. Give them space on the hairpins.

Nearby Fuel, Food, and Accommodation

Fuel: Fill up in Curtea de Arges (south) or in the Sibiu/Cartisoara area (north) before starting. There is no fuel on the pass itself.

Food: Several restaurants and chalet-style eateries operate at Balea Lake during the open season. The cabana at Balea Lac serves traditional Romanian dishes — try the ciorba (sour soup) and mici (grilled meat rolls). Prices are reasonable by Western European standards.

Accommodation: Curtea de Arges has hotels and guesthouses. On the north side, Sibiu is a beautiful medieval city with excellent accommodation and restaurants — worth spending a night. For something on the mountain itself, Balea Lac has a few chalets, though availability is limited and booking ahead is essential.

Combining the Transfagarasan with Other Roads

Romania has more great driving roads than most people realise. If you're making the trip, consider adding:

• Transalpina (DN67C) — Romania's other trans-mountain road, reaching 2,145 m. Less famous, less crowded, and some argue it's the better driving road. It runs roughly parallel to the Transfagarasan, about 100 km west.
• Transbucegi (DJ713) — A narrow, technical road through the Bucegi Mountains. More demanding than the Transfagarasan, with tighter corners and steeper gradients.
• Cheia Pass — Connects Brasov to Ploiesti through the Carpathian foothills. Flowing curves through forest — a good warm-up or cool-down road.

For more on Europe's top driving destinations, the best driving roads in Europe guide covers the full picture. And for the global top picks, including several roads that compete with the Transfagarasan for the "best in the world" title, see the best driving roads in the world.

FAQ

Is the Transfagarasan really the best road in the world? It's subjective, but it's consistently in the conversation. The south-side hairpins are among the most dramatic switchback sequences anywhere, and the overall experience — history, scenery, engineering — is hard to match. Whether it tops the Stelvio, the Grossglockner, or a dozen other contenders depends on what you value most in a driving road.

When does the Transfagarasan open and close? Typically late June to late October. The Romanian road authority (CNAIR) announces the exact dates based on snow clearance. The opening date varies by several weeks each year — always check before planning.

Is the Transfagarasan safe to drive? Yes, with normal care. The road is paved throughout, has guard rails on exposed sections, and is regularly maintained. The main risks are variable surface quality, weather changes at altitude, traffic congestion on busy days, and the occasional stray animal. Drive within your limits and you will have a fantastic time.

How long does it take to drive the Transfagarasan? The full 90 km takes 2–3 hours without stops. In practice, you will stop — for photos, for Balea Lake, for the Vidraru Dam, for the views that appear around every other corner. Budget a full day to enjoy it properly.

Do I need a special car for the Transfagarasan? No. Any road car in good condition will handle it comfortably. The road is paved throughout. A car with reasonable ground clearance handles the occasional rough patch better, but sports cars drive it regularly without issues.