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Gravel rides
France
Pays de la Loire
Nantes

Saint-Mars-De-Coutais

The best gravel rides around Saint-Mars-De-Coutais

4.3

(100)

418

riders

54

rides

Gravel biking around Saint-Mars-De-Coutais offers diverse terrain for exploration, characterized by its proximity to Lac de Grand-Lieu, one of France's largest natural lakes, and the Tenu River. Cyclists encounter varied landscapes including countryside, bocages, vineyards, and expansive marshlands. The region provides an extensive network of trails, many with a low percentage of paved surfaces, making them suitable for gravel bikes. This combination of natural features and varied paths creates an engaging environment for gravel biking.

Best gravel bike trails around…

Last updated: June 28, 2026

4.1

(29)

102

riders

#1.

Vallon de la Chaussée – Port de l'Halbrandière loop from Sainte-Pazanne

75.6km

04:39

220m

220m

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

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Moderate

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

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

Hard

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

Hard

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

Moderate
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Tips from the Community

Marcel DUPOMMIER
July 5, 2026, Chaussée de Robert

It's always a pleasure to walk on this wooden path that floats above the vegetation.

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You have to see the machine for yourself. Describing it is difficult.

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The machines are difficult to describe, you have to try them out for yourself.

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very nice bike detour

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Passable on gravel, a little sandy in some places.

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This small port has a lot of charm and is very photogenic even though our visit took place under a very gray sky. As an anecdote, a regular visitor told us that the huts were all painted this way because the fishermen and oyster farmers did not want to throw away the leftover paint used for the boats.

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Nice to explore perched on a bike. Be careful, however, to ride slowly to pass joggers.

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Beautiful panorama from this spot, we can see the expanse of the lake as well as Nantes in the background

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Frequently Asked Questions

How many gravel bike trails are available in the Saint-Mars-De-Coutais area?

There are over 60 gravel bike trails around Saint-Mars-De-Coutais, offering a wide range of options for exploration. The region is particularly well-suited for gravel biking due to its extensive network of trails, many of which are unpaved.

What are the difficulty levels of gravel bike trails in Saint-Mars-De-Coutais?

The trails around Saint-Mars-De-Coutais cater to various skill levels. You'll find a good mix of routes, with 14 considered easy, 34 moderate, and 19 difficult. This variety ensures there's a suitable ride whether you're a beginner or seeking a challenge.

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

Yes, there are 14 easy gravel bike routes available in the Saint-Mars-De-Coutais area. These routes typically feature less challenging terrain and shorter distances, making them ideal for those new to gravel biking or looking for a relaxed ride.

What kind of landscapes can I expect to see on gravel bike trails around Saint-Mars-De-Coutais?

Gravel biking in Saint-Mars-De-Coutais offers incredibly diverse scenery. You'll traverse countryside, bocages (hedged farmlands), picturesque vineyards of Muscadet-Côtes-de-Grandlieu, and expansive marshlands. The region's proximity to Lac de Grand-Lieu, one of France's largest natural lakes, also provides stunning views and opportunities for wildlife observation.

Are there any long-distance gravel routes for experienced riders?

For experienced riders seeking longer distances, the region offers several substantial routes. One challenging option is the Carrelets de La Grande Ville – Tharon's Blue Fishing Hut loop from Saint-Hilaire-de-Chaléons, which spans over 135 km and traverses varied landscapes including marshlands and coastal areas. Another demanding ride is the Port and Brochets Tidal Creek – Port du Bec loop from Saint-Même-le-Tenu, covering over 133 km.

What are some notable natural attractions or landmarks along the gravel trails?

Many trails offer access to the stunning Lac de Grand-Lieu, a significant ornithological reserve. You might also encounter the unique Tenu river, known for sometimes flowing in two directions. Highlights like Lake Grand-Lieu and Etang de Roche Ballue are popular points of interest. Some routes, like the Robert's Causeway – Loire River Ferry Crossing loop from Bouaye, even pass by the Loire River Ferry Crossing.

What is the best time of year for gravel biking in Saint-Mars-De-Coutais?

The region is enjoyable for gravel biking across multiple seasons. The 'Tour du Lac de Grand Lieu' circuit, for instance, offers a 73 km route in summer, extending to 102 km in winter. The varied terrain, including marshlands and vineyards, provides different experiences throughout the year, though spring and autumn often offer pleasant temperatures and vibrant scenery.

Are there circular gravel bike routes available?

Yes, many of the gravel bike routes in Saint-Mars-De-Coutais are designed as loops, offering convenient starting and ending points. Examples include the Vallon de la Chaussée – Lac de Grand-Lieu loop from Sainte-Pazanne and the Gravel path in the forest – Filée Park Pond loop from Bouaye, allowing you to return to your starting point without retracing your steps.

What do other gravel bikers say about the trails in Saint-Mars-De-Coutais?

The gravel biking routes in Saint-Mars-De-Coutais are highly rated by the komoot community, with an average score of 4.6 stars from over 90 reviews. Many riders praise the varied terrain, the extensive network of unpaved trails, and the beautiful natural landscapes, especially around Lac de Grand-Lieu.

Where can I find more information about the Tenu river and its surroundings?

The Tenu river is a notable feature of the region, known for its unique hydrological characteristics. For more detailed information about the Tenu and its surrounding area, you can visit the local tourism website: sudretzatlantique-tourisme.fr.

Are there any routes that are particularly scenic or offer great viewpoints?

Absolutely. Many routes offer scenic views, particularly those that skirt the edge of Lac de Grand-Lieu. The Vallon de la Chaussée – Lac de Grand-Lieu loop from Sainte-Pazanne is specifically highlighted for its views of the lake. The diverse landscapes of vineyards, marshlands, and bocages also ensure a constantly changing and picturesque backdrop for your ride.

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