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Saint-Hilaire-Du-Rosier

The best road cycling routes around Saint-Hilaire-Du-Rosier

4.5

(352)

10,082

riders

32

rides

Road cycling routes around Saint-Hilaire-Du-Rosier traverse a varied landscape in the Isère department. The region features flat routes along the Isère plain, transitioning to challenging ascents in the Vercors massif foothills and the Chambaran hills. Cyclists encounter routes winding through local walnut orchards and along the banks of the Isère River.

Best road cycling routes around Saint-Hilaire-Du-Rosier

  • The most popular road cycling route is Cirque of Combe Laval – Machine Pass loop from Saint-Hilaire - Saint-Nazaire, a 52.2 miles…

Last updated: October 18, 2026

5.0

(14)

436

riders

#1.

Cirque of Combe Laval – Machine Pass loop from Saint-Hilaire - Saint-Nazaire

83.8km

04:52

1,960m

1,960m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Tips from the Community

Petersch
September 4, 2026, Col de Bacchus

Beautiful climb from the campsite Valle drome soleil via the D93 to the D70 to then cycle towards the climb, 13.5 km extra then. Done in the morning because it got way too hot in the afternoon. Beautiful ride and the same way back a reward

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Prepare to experience one of the most spectacular and exciting road routes in Europe! The Combe Laval road, nestled in the Vercors massif, is a true engineering masterpiece of the 19th century. Also known as the "road of dizziness," it winds for about 4 kilometers literally carved into the limestone rock, offering passages through suggestive tunnels and natural balconies with breathtaking drops that will take your breath away.

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Get ready to experience one of the most spectacular and exciting road routes in Europe! The Combe Laval road, nestled in the Vercors massif, is a true masterpiece of 19th-century engineering. Also known as "the road of dizziness," it winds for about 4 kilometers literally carved into the limestone rock, offering passages through suggestive tunnels and natural balconies with breathtaking overhangs that will leave you breathless.

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The Col de la Machine (1,011 m) is one of the most spectacular and famous access gates to the entire Vercors massif. World-renowned for being the highest point of the legendary Combe Laval, this pass offers a steady climb (around 6% average gradient from Saint-Jean-en-Royans) that winds through a dense and majestic forest.

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La Combe Laval is one of the most spectacular scenic roads in the Vercors massif. The D76 was carved into the rock face between the 19th and 20th centuries and passes through a succession of tunnels, ledges, and sections suspended over the valley.

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Exceptional viewpoint

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Road immersed in nature.

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One of the symbolic climbs of the Vercors. The road climbs through forests and rocky walls up to the pass, offering spectacular views of the Drôme valley. A very evocative climb, popular with cyclists, ideal for immersing yourself completely in the wild landscape of the Vercors.

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Frequently Asked Questions

How many road cycling routes are available around Saint-Hilaire-Du-Rosier?

There are over 35 road cycling routes around Saint-Hilaire-Du-Rosier, offering a diverse range of options for cyclists. These routes traverse varied landscapes, from the flat Isère plain to the challenging ascents of the Vercors massif foothills and the Chambaran hills.

What kind of terrain can I expect when road cycling in Saint-Hilaire-Du-Rosier?

The region offers a mix of terrain. You'll find flat routes along the Isère plain and through local walnut orchards, ideal for leisurely rides. For more challenge, the foothills of the Vercors massif and the Chambaran hills provide demanding climbs and descents, often featuring roads carved into rock faces with breathtaking views.

What do other cyclists say about the road cycling routes in Saint-Hilaire-Du-Rosier?

The road cycling routes in Saint-Hilaire-Du-Rosier are highly rated by the komoot community, with an average score of 4.8 stars from over 70 reviews. Cyclists often praise the varied terrain, from gentle riverside paths to challenging mountain passes, and the stunning panoramic views, particularly in areas like the Combe Laval Cirque.

Are there routes suitable for beginners or families in Saint-Hilaire-Du-Rosier?

Yes, while many routes are challenging, there are options for easier rides. You can find routes with minimal elevation changes along the banks of the Isère River and through the local walnut orchards. These are generally suitable for a more leisurely pace or family outings.

What are some of the most challenging road cycling routes in the area?

For experienced cyclists seeking a challenge, routes like the Cirque of Combe Laval – Machine Pass loop from Saint-Hilaire - Saint-Nazaire offer significant elevation gain and panoramic views. Another demanding option is the Machine Pass – Pont-en-Royans loop from Saint-Hilaire - Saint-Nazaire, which covers a substantial distance and elevation.

Are there circular road cycling routes available?

Yes, many of the road cycling routes around Saint-Hilaire-Du-Rosier are designed as loops, allowing you to start and finish at the same point. Examples include the Col de la Machine [FR-26-1011] – Machine Pass loop from Saint-Hilaire - Saint-Nazaire and the Pont-en-Royans – Gorges du Nan loop from Saint-Hilaire - Saint-Nazaire.

What scenic viewpoints or natural attractions can I find along the road cycling routes?

The region is rich in natural beauty. You can cycle past the dramatic Combe Laval Cirque, known for its road carved into the rock and stunning valley views. Other attractions include the White Waterfall on the Vernaison River, and the picturesque Gorges du Nan.

What is the best time of year for road cycling in Saint-Hilaire-Du-Rosier?

The region is generally pleasant for cycling from spring through autumn. While some routes along the Isère plain are suitable for leisurely rides even in winter, the higher mountain passes and roads in the Vercors foothills are best enjoyed when the weather is warmer and conditions are dry, typically from late spring to early autumn.

Are there options for parking for cyclists in Saint-Hilaire-Du-Rosier?

Saint-Hilaire-Du-Rosier and surrounding villages offer various parking options, often near town centers or trailheads, making it convenient to start your cycling adventure. Specific parking details can often be found on individual route descriptions or local tourism websites.

Can I reach the cycling routes using public transport with my bike?

While public transport options exist in the wider Isère department, carrying bikes on regional buses or trains can vary. It's advisable to check the specific policies of local transport providers in advance if you plan to combine cycling with public transport to reach your starting point.

Are there places to eat or stay that are cyclist-friendly in the area?

The villages around Saint-Hilaire-Du-Rosier, including Saint-Nazaire-en-Royans and Pont-en-Royans, offer various cafes, restaurants, and accommodations. Many establishments in this outdoor-focused region are accustomed to welcoming cyclists, providing places to refuel and rest. It's always a good idea to check in advance for specific bike storage facilities if needed.

Are there any routes that pass through unique landscapes like walnut groves?

Absolutely. For a unique regional experience, you can find routes that wind through the emblematic walnut orchards of the Isère plain. These paths offer a gentle ride through agricultural landscapes, providing a different perspective of the region's natural and cultural heritage.

Most popular routes around Saint-Hilaire-Du-Rosier

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