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Road cycling routes
France
Auvergne Rhône Alpes
Grenoble

Réserve naturelle des Isles du Drac

The best road cycling routes around Réserve naturelle des Isles du Drac

4.5

(2258)

49,610

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298

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Road cycling routes around Réserve naturelle des Isles du Drac are situated near Grenoble, characterized by the Drac river and its natural reserve, with surrounding terrain that includes both river plains and significant mountain ascents. The region offers varied landscapes, from riverine environments to routes climbing towards mountain passes, providing diverse road cycling experiences. These routes often feature views of the French Alps and traverse areas with notable elevation changes, particularly towards the Vercors massif. The area provides a mix…

Last updated: May 20, 2026

42

riders

#1.

Four Lords Pass – La Pérérée loop from Saint-Georges-de-Commiers

74.9km

04:17

1,540m

1,540m

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

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Hard

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

Moderate

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

Hard
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Popular around Réserve naturelle des Isles du Drac

La Grande Traversée du Vercors — In the West of the Alps

Running Trails around Réserve naturelle des Isles du Drac

Cycling around Réserve naturelle des Isles du Drac

MTB Trails around Réserve naturelle des Isles du Drac

Hiking around Réserve naturelle des Isles du Drac

Gravel biking around Réserve naturelle des Isles du Drac

Mountain Hikes around Réserve naturelle des Isles du Drac

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La Grande Traversée du Vercors — In the West of the Alps

Cycling Collection by

Guillaume

Tips from the Community

DavidR
April 30, 2026, View of the Isère River and the Vercors Mountains

It is indeed Chartreuse. There is also a "must-see" that presents "a magnificent view" of Chartreuse when it is actually Belledonne!!

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Very pretty, but it's not the Vercors, it's the Chartreuse, Mont St Eynard to be exact.

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nice climb up to the intersection...then the road going to the fort is cleaner depending on the day (twigs, bread needles...)

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It is the starting point for a multitude of mountain bike trails. Parking is available nearby.

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Former fortified house which is today a nursery called “Les planteurs de Brigaudière”, operating on the family farm.

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Beautiful Romanesque church of Saint-Étienne with fully painted walls, built over 1,000 years ago, around the 10th century. Next to it is a replica of the Lourdes grotto. Every year on August 15, a pilgrimage is held there (the grounds are private, but the grotto can be visited).

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A rather pleasant place frequented by fishermen and children who come here on bicycles. In spring, you can hear frog concerts there.

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Very pleasant pass, because almost no cars, lots of shade and fantastic landscapes 9 km long and 680 m vertical drop

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Frequently Asked Questions

How many road cycling routes are available around Réserve naturelle des Isles du Drac?

There are over 270 road cycling routes around Réserve naturelle des Isles du Drac, offering a wide range of options for different skill levels and preferences.

What kind of difficulty levels can I expect for road cycling routes in this region?

The region offers a diverse range of difficulties. You'll find approximately 26 easy routes, 121 moderate routes, and 130 difficult routes, ensuring options for beginners to experienced cyclists.

Are there road cycling routes with panoramic views of the French Alps?

Yes, many routes offer stunning vistas. For panoramic views of the French Alps, consider the View of the French Alps loop from Pont-de-Claix, a moderate 46.6 km path.

What do other road cyclists enjoy most about road cycling in Réserve naturelle des Isles du Drac?

The area is highly rated by the komoot community, with an average score of 4.4 stars from over 2100 reviews. Cyclists often praise the varied landscapes, from riverine environments to challenging mountain passes, and the opportunity to explore both historic towns and natural beauty.

Are there any particularly long or challenging routes for experienced road cyclists?

For experienced cyclists seeking a challenge, the Col de l'Arzelier – Col de l'Allimas loop from Pont-de-Claix is a difficult 121.8 km route with significant elevation gain. Another demanding option is the Col de la Morte – La Morte Pass (1,370 m) loop from Pont-de-Claix.

Can I find routes that pass through historic areas or unique natural features?

Absolutely. The region features routes that traverse varied landscapes, including historic towns and natural reserves. The Old avenue lined with plane trees – Historic Stone Church loop from Pont-de-Claix is a great example, leading through areas with notable historical and natural elements.

What is the best time of year for road cycling around Réserve naturelle des Isles du Drac?

The best time for road cycling is generally from spring to autumn (April to October), when the weather is mild and mountain passes are clear of snow. Summer offers warmer temperatures, while spring and autumn provide cooler rides and beautiful scenery.

Are there any specific regulations or permits required for cycling within the Réserve naturelle des Isles du Drac?

While general road cycling on public roads does not typically require permits, it's always advisable to check local regulations for specific areas within the Réserve naturelle des Isles du Drac, especially if venturing off marked routes or into sensitive ecological zones. Respecting protected areas is crucial.

Are there options for moderate-difficulty road cycling routes that still offer good scenery?

Yes, many moderate routes combine manageable gradients with scenic beauty. The View of the French Alps loop from Pont-de-Claix is a moderate 46.6 km route that offers excellent panoramic views without extreme difficulty.

Are there any circular road cycling routes available?

Many of the routes in the region are designed as loops, allowing you to start and end at the same point. Examples include the Parménie Pass – V63 cycle route loop from Pont-de-Claix and the Col de la Morte – La Morte Pass (1,370 m) loop from Pont-de-Claix.

What are the typical road conditions like on these routes?

Road conditions vary, but generally, the routes utilize well-maintained paved roads suitable for road bikes. In mountainous areas, you can expect winding roads with ascents and descents, while river valley sections may offer flatter, smoother stretches. Always be mindful of traffic, especially on main roads.

Most popular routes around Réserve naturelle des Isles du Drac

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