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

Saint-Hilaire-Du-Rosier

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

Hard

4.9

(13)

468

riders

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

04:55

83.8km

1,960m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: November 2, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Vercors

Waypoints

Start point

Train Station

Get Directions

19.7 km

Stunning view of Combe Laval

Highlight • Other

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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19.9 km

Cirque of Combe Laval

Highlight (Segment) • Gorge

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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23.0 km

Col de la Machine [FR-26-1011]

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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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23.2 km

Machine Pass

Highlight • Mountain Pass

The Col de la Machine is located at the end of the remote karst of Combe Laval. The panorama is spectacular and the site gives you an overall impression of the natural environment which constitutes the Vercors massif.

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30.8 km

Carri Pass

Highlight • Mountain Pass

The climb to the Col de Carri extends over 5 kilometers at an average of 3% and the summit is at 1,215 meters.

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53.8 km

Small road in the undergrowth with a beautiful drop

Highlight • Other

Road immersed in nature.

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56.5 km

Viewpoint

63.2 km

Bourne Gorges

Highlight • Gorge

A magnificent canyon road, typical of the region, which crosses arches, tunnels and winds along the river. Don't miss it!

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72.5 km

Pont-en-Royans

Highlight • Historical Site

Pont-en-Royans is a pretty little village with a particular architecture. An obligatory stop to take in the view, and taste ice cream!

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83.8 km

End point

Train Station

Way Types & Surfaces

Way Types

79.7 km

1.91 km

1.20 km

644 m

381 m

< 100 m

Surfaces

81.4 km

2.25 km

170 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,210 m)

Lowest point (170 m)

Weather

Sunday 1 November

10°C

3°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

March 7, 2025,Combe laval

Combe Laval is one of the most spectacular mountain roads in the world. 600 vertical meters above the valley basin, the road winds through rock arches and mountain overhangs.

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