4.5
(2362)
48,898
riders
31
rides
No traffic road cycling routes around Réserve naturelle des Isles du Drac offer a diverse landscape at the foothills of the French Alps, centered around the Drac River. The region is characterized by its dynamic alluvial plain, featuring gravel banks, low shores, and intricate old river arms. Extensive alluvial forests and wetlands provide a rich natural environment, while drier lawns and terraced areas add to the varied terrain. This unique blend of features makes for engaging road cycling experiences with…
Last updated: July 12, 2026
3.0
(1)
38
riders
27.4km
01:35
520m
520m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
11
riders
16.5km
01:17
660m
660m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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6
riders
13.9km
00:59
260m
260m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
24
riders
79.1km
03:17
450m
450m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.7
(3)
22
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Réserve naturelle des Isles du Drac
The most direct passage to leave Grenoble by the South following the Drac Decathlon Comboire is just to the south
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Beautiful view of the Isere and the mountains.
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BelleVia, cycle path along the Isere, partially beautiful views.
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The cycle path from Pont-de-Claix to Jarrie is very well laid out, but it stops well before the industrial zone. After that it is quite dangerous. The bridge over the Romanche unfortunately does not connect with the cycle path.
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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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A pretty village in Isère. The more curious can extend their walk with a short loop around the Saint-Pierre church.
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The "Virgin of the Liberation" is a 7-meter-high statue, unveiled in 1946 in gratitude to Sainte-Marie for the liberation of France. A beautiful view from here overlooking the village.
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There are over 35 dedicated no-traffic road cycling routes around the Réserve naturelle des Isles du Drac, offering a wide range of options for cyclists looking for peaceful rides. These routes are carefully selected to provide a serene experience away from vehicle traffic.
The routes around the Réserve naturelle des Isles du Drac offer a varied experience. While many paths along the Drac River are relatively flat, you'll also find gentle inclines as you venture towards the foothills of the French Alps. For example, the Parménie Pass – V63 cycle route loop from Pont-de-Claix features an elevation gain of nearly 880 meters over its 110.9 km, providing a more challenging ride with rewarding views.
Yes, the area offers several easy routes perfect for beginners or those seeking a relaxed ride. An excellent option is the Rochefort footbridge – Bridge for Bikes & Pedestrians loop from Pont-de-Claix, which is classified as easy and covers a distance of 28.7 km with minimal elevation gain, making it ideal for a leisurely outing.
Cycling around the Réserve naturelle des Isles du Drac immerses you in a rich natural environment. You'll ride alongside the dynamic Drac River with its gravel banks and old river arms, through extensive alluvial forests, and past various wetlands. The reserve's unique blend of mountainous and Mediterranean climates creates a mosaic of habitats, home to diverse flora and fauna. You might even spot emblematic species like the European beaver.
Absolutely! The region, nestled in the French Alps, offers breathtaking panoramic views. The Promenade Thiervoz provides scenic vistas of the Drac River and its gravel banks. While cycling, you'll also pass by areas that offer glimpses of the Vercors loop. For a route that includes historical interest, consider the Bon Repos Castle 🏰 – Four Lords Pass loop from Jarrie-Vizille.
The best seasons for road cycling around the Réserve naturelle des Isles du Drac are spring and autumn. During these times, the weather is generally mild and pleasant, and the natural landscapes are particularly vibrant, whether with spring blossoms or autumn colors. Summer can also be enjoyable, especially in the mornings or late afternoons, but be prepared for warmer temperatures.
Yes, many of the no-traffic road cycling routes in the area are designed as loops, allowing you to start and end at the same point. For instance, the Church of St Peter and St Paul – Saint-Égrève Dam-Bridge loop from Pont-de-Claix offers a substantial 82.4 km circular ride, providing a comprehensive tour of the region's quiet roads.
While the Réserve naturelle des Isles du Drac is a natural area, specific regulations regarding dogs on cycling paths can vary. Generally, dogs are permitted on public paths if kept on a leash. However, it's crucial to respect the reserve's fragile ecosystem and protected species. Always check local signage and ensure your dog does not disturb wildlife or other visitors. Some sensitive areas might have stricter rules.
Given the reserve's proximity to Grenoble, public transport options are available to reach various starting points for cycling routes. You can often take buses or trams from Grenoble to nearby towns like Pont-de-Claix or Saint-Égrève, which serve as excellent access points to the no-traffic cycling network. Always check the local public transport schedules and policies regarding bikes.
The area is highly rated by the komoot community, with an average score of 4.4 stars. Reviewers often praise the tranquility of the routes, the stunning natural beauty of the Drac River and its surroundings, and the feeling of being immersed in nature despite being close to a major city. The well-maintained paths and the variety of route lengths and difficulties are also frequently highlighted.
To protect the fragile ecosystem and water resources of the Réserve naturelle des Isles du Drac, access to certain sensitive parts is restricted. Cyclists are encouraged to stay on marked paths within the two public access sectors: Chasse-Barbier and Promenade de Thiervoz. Always respect local regulations, signage, and the natural environment to ensure its preservation. More information can be found on the official reserve website: grenoble-tourisme.com.
Parking is generally available in the towns and villages that serve as starting points for these routes, such as Pont-de-Claix, Jarrie-Vizille, or Saint-Égrève. Look for designated public parking areas. Some trailheads, especially near the more popular access points like Chasse-Barbier or Promenade de Thiervoz, may also have specific parking facilities for visitors.


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