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Gravel rides
France
Auvergne Rhône Alpes
La Tour-Du-Pin

Saint-Ondras

The best gravel rides around Saint-Ondras

4.5

(13)

39

riders

4

rides

Gravel biking around Saint-Ondras offers diverse terrain within the Isère department, characterized by countryside paths, forests, and woodlands. The region features varied surfaces, including hard gravel paths like the "Chemin des Marais" near Lake Paladru. Riders can expect views of the Bourbre valley and distant massifs, with routes traversing natural zones such as the Clandon marshes. This area provides a mix of challenging climbs and scenic routes suitable for mixed-surface cycling.

Best gravel bike trails around Saint-Ondras

  • The most popular…

Last updated: July 2, 2026

5.0

(2)

7

riders

#1.

Lac de Paladru – Our Lady of the Vines loop from Montferrat

34.1km

02:26

570m

570m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

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Tips from the Community

MDL
June 4, 2026, Un beau tunnel végétal

Relaxation on very sunny days

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Very straight cycle path with a very beautiful view in the middle of nature

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A famous praline brioche 😃

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Located at the northern end of Lake Paladru, this wetland is fed by the Courbon stream. It is a true extension of the lake, rich in biodiversity and very pleasant.

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Here, you enter a sensitive natural area for a 1-kilometer trail marked with four stations to discover the area's remarkable flora and fauna. A pleasant way to connect the two shores of Lake Paladru, between Paladru and Montferrat.

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Clément
August 1, 2025, Pont de Cordon

A beautiful bridge that crosses the Rhône and demarcates a departmental boundary. It even offers a view of a castle!

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A tourist attraction in this area is Lake Paladru, which stretches from the village of the same name in the north to Charavines in the south. If you walk around the lake from a distance rather than on the paths directly along the shore, the hills offer some very beautiful views of the landscape. But not only that: on the outskirts of Bilieu – on the eastern shore of the lake – we pass a small sacred monument: a simple wayside cross made of two massive wooden beams (without a body or INRI inscription), which already shows the wear and tear of wind and weather.

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Frequently Asked Questions

How many gravel bike trails are available around Saint-Ondras?

There are 10 gravel bike routes available around Saint-Ondras, offering a variety of experiences for different skill levels. These routes are highly rated by the komoot community.

What kind of terrain can I expect on gravel bike trails around Saint-Ondras?

The gravel bike trails around Saint-Ondras feature diverse terrain, including countryside paths, forests, and woodlands. You'll encounter varied surfaces, notably hard gravel paths like the famous Chemin des Marais, and routes that wind over crests offering views of the Bourbre valley and distant massifs like Chartreuse and Vercors.

Are there any beginner-friendly gravel bike routes in the area?

While many routes feature significant elevation, the Cordon Bridge – Lac de Barterand loop from Saint-Genix-Sur-Guiers is classified as easy, making it a good option for those new to gravel biking or looking for a less strenuous ride.

What are some challenging gravel bike routes near Saint-Ondras?

For a more challenging experience, consider the Lac de Paladru – Our Lady of the Vines loop from Montferrat, which is 21.2 miles (34.1 km) with significant elevation gain. Another difficult option is the Col des Mille Martyrs – Pierre Chave Bridge loop from L'Arsenal, a 27.5-mile (44.2 km) trail with substantial climbs.

Are there circular gravel bike routes available?

Yes, many of the gravel bike routes around Saint-Ondras are designed as loops. Examples include the Lac de Paladru – Our Lady of the Vines loop from Montferrat and the Chemin des marais – Lac de Paladru loop from Paladru, allowing you to start and end at the same point.

What natural features or viewpoints can I expect to see on these routes?

You'll encounter beautiful natural features such as the Lake Paladru, the ZNIEFF of the Clandon marshes, and various forests and woodlands. Many routes offer scenic viewpoints overlooking the Bourbre valley, the Dauphiné, and the majestic Chartreuse and Vercors massifs.

Are there any specific landmarks or attractions along the gravel bike trails?

Yes, several routes pass by notable landmarks. The Lac de Paladru – Our Lady of the Vines loop from Montferrat goes near Our Lady of the Vines. The Chemin des marais – Lac de Paladru loop from Paladru incorporates the Chemin des Marais, known for its hard gravel path through the Paladru Nature Zone.

What do other gravel bikers say about the trails in Saint-Ondras?

The gravel biking routes in Saint-Ondras are highly rated by the komoot community, with an average score of 4.7 stars from over 10 reviews. More than 50 gravel bikers have used komoot to explore the varied terrain, often praising the diverse landscapes and challenging climbs.

Is there parking available near the gravel bike routes?

Many routes start from villages or towns like Montferrat, Paladru, or L'Arsenal, where public parking is generally available. It's advisable to check the specific starting point of your chosen route for detailed parking information.

Are there any routes that feature the 'Chemin des Marais'?

Yes, the Chemin des marais – Lac de Paladru loop from Paladru specifically incorporates the Chemin des Marais. This hard gravel path traverses the Paladru Nature Zone and offers numerous spots for picnics.

What is the best time of year for gravel biking in Saint-Ondras?

The diverse landscapes of Saint-Ondras are enjoyable throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. While winter biking is possible, trail conditions may vary, especially in higher elevations or after rainfall, so checking local conditions is recommended.

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