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Pays de la Loire
Nantes

Saint-Mars-De-Coutais

The best traffic-free bike rides around Saint-Mars-De-Coutais

4.4

(86)

380

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58

rides

No traffic gravel bike trails around Saint-Mars-De-Coutais traverse a landscape characterized by the expansive Lac de Grand-Lieu, its surrounding marshes, and traditional bocage. The region features a network of paths through vineyards, along the river Tenu, and into shaded woods. These varied terrains, including sandy paths and unpaved trails, offer diverse surfaces suitable for gravel biking.

Best no traffic gravel bike trails around Saint-Mars-De-Coutais

  • The most popular no traffic gravel bike trail is Vallon de la Chaussée – Port de l'Halbrandière loop from Sainte-Pazanne, a 47.0 miles (75.7 km) trail that takes 4 hours 39 minutes to complete. This moderate route explores the varied landscapes around Lac de Grand-Lieu.
  • Another top favourite among local gravel bikers is Port of La Morinière – Pirmil Railway Bridge loop from La Chevrolière, a moderate 32.4 miles (52.1 km) path. This route offers views of the lake and passes through rural areas.
  • Local gravel bikers also love the Gravel path in the forest – Filée Park Pond loop from Bouaye, a 52.4 miles (84.3 km) trail leading through forested sections and open countryside, often completed in about 5 hours 10 minutes.
  • Gravel biking around Saint-Mars-De-Coutais is defined by the wetlands of Lac de Grand-Lieu, extensive vineyards, and tranquil bocage. The network offers options for different ability levels, from moderate loops to more challenging routes.
  • The routes in Saint-Mars-De-Coutais are highly rated by the komoot community with an average score of 4.5 stars from over 50 reviews. More than 200 gravel bikers have used komoot to explore Saint-Mars-De-Coutais's varied terrain.

Last updated: November 2, 2026

3.9

(31)

114

riders

#1.

Lake Grand-Lieu – Vallon de la Chaussée loop from Sainte-Pazanne

76.8km

04:45

230m

230m

Moderate gravel ride. Good fitness required. Mostly paved surfaces.

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Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces.

Moderate
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Hard gravel ride. Very good fitness required. Mostly paved surfaces.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces.

Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces.

Moderate
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Popular around Saint-Mars-De-Coutais

Traffic-free bike rides around Saint-Mars-De-Coutais

Traffic-free bike rides around Saint-Mars-De-Coutais

Tips from the Community

Floréal
September 23, 2026, Trail Along the Salt Marshes and Fishing Cabins

Very pleasant trail with the marshes and the wind turbines, it's atypical, I really liked it!

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Floréal
September 23, 2026, Port des Champs

Beautiful harbor with colorful houses!

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Here you can see lots of fishing equipment, plus it's stylish!

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

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Trentemoult, once a fishing village with very colorful houses, is a former island territory bordered by the Loire, facing the vestiges of the port of Nantes. As early as the 14th century, the village was recognized for having a monopoly on fishing in the Lower Loire. Then, in the 19th century, the Trentemousin sailors abandoned fishing in favor of maritime trade. Today, artists and artisans have replaced the fishermen, cafes and small restaurants have taken their place on the port, now dedicated to pleasure boating.

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

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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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Frequently Asked Questions

How many no-traffic gravel bike trails are available around Saint-Mars-De-Coutais?

There are over 45 no-traffic gravel bike trails around Saint-Mars-De-Coutais, offering a wide range of options for all skill levels. This includes 10 easy, 27 moderate, and 9 difficult routes, ensuring a suitable ride for everyone looking to explore the region's quiet landscapes.

What kind of terrain can I expect on these no-traffic gravel routes?

The no-traffic gravel routes around Saint-Mars-De-Coutais offer a diverse mix of terrain. You'll encounter natural, unpaved trails through marshes, traditional bocage (hedged fields), and vineyards. Expect 'chemins creux' (hollow paths), 'sentiers ombragés' (shaded paths) through woods like Bois Charrette, and 'sentiers sableux' (sandy paths) through prairies, especially around the Marais de Grand-Lieu. This varied landscape is perfect for gravel biking.

Are there any long-distance no-traffic gravel routes for experienced riders?

Yes, for experienced gravel bikers seeking longer, traffic-free adventures, routes like the Gravel path in the forest – Filée Park Pond loop from Bouaye offer challenging distances up to 84.3 km. Another option is the Vallon de la Chaussée – Port de l'Halbrandière loop from Sainte-Pazanne, which covers 75.7 km of varied terrain.

What natural attractions can I see along the no-traffic gravel bike trails?

Many no-traffic gravel routes will lead you to the stunning Lac de Grand-Lieu, one of France's largest natural lakes, known for its rich birdlife. You can also explore the surrounding marshes, bocage, and vineyards. The Etang de Roche Ballue is another beautiful lake highlight you might encounter.

Are there any historical or cultural points of interest accessible by gravel bike?

While the focus is on natural landscapes, some routes may pass near charming rural villages. You might also spot the Bethlehem Chapel. For unique experiences, consider routes that incorporate a Loire River Ferry Crossing, offering a different perspective of the region.

What do other gravel bikers enjoy most about the no-traffic trails in Saint-Mars-De-Coutais?

The komoot community highly rates the gravel biking experience here, with an average score of 4.5 out of 5 stars from 58 reviews. Riders frequently praise the tranquility of the routes, the diverse natural landscapes, and the opportunity to explore the region away from car traffic, especially around the Lac de Grand-Lieu and its surrounding marshes.

Are there any family-friendly no-traffic gravel bike routes?

Yes, the region offers several easy and moderate routes suitable for families looking for quiet, car-free gravel biking. These trails often pass through shaded paths and prairies, providing a safe and enjoyable environment for all ages. Look for routes with lower elevation gain and shorter distances for a comfortable family outing.

Can I bring my dog on these no-traffic gravel bike trails?

Many of the natural trails and paths around Saint-Mars-De-Coutais, especially those through forests and prairies, are generally dog-friendly. However, it's always best to keep your dog on a leash, particularly in areas with wildlife or near grazing cattle, and to check local regulations for specific nature reserves like the Lac de Grand-Lieu wetlands.

Are there circular no-traffic gravel routes available?

Absolutely. Many of the gravel routes in the area are designed as loops, allowing you to start and end at the same point. For example, the Port of La Morinière – Pirmil Railway Bridge loop from La Chevrolière is a moderate 52 km circular route, perfect for a day trip without retracing your steps.

Where can I find parking for these no-traffic gravel bike trails?

Parking is typically available in or near the starting points of many routes, often in the villages or designated areas close to trailheads. For routes around Lac de Grand-Lieu, look for parking options in towns like Saint-Mars-De-Coutais or Sainte-Pazanne, which serve as common access points to the lake's perimeter trails.

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

Spring and autumn are generally ideal for gravel biking in Saint-Mars-De-Coutais, offering pleasant temperatures and beautiful scenery. Spring brings blooming nature, while autumn showcases vibrant foliage. Summer can be enjoyable, but be mindful of warmer temperatures, especially on exposed sections. Winter riding is possible, but some paths might be muddier.

Are there any routes that offer views of the Port Faissant?

Yes, some routes in the area will provide access to the Port Faissant, which is known for its remarkable viewpoints and panoramas over the surrounding landscapes, including the Lac de Grand-Lieu. These routes offer excellent photo opportunities and a chance to appreciate the region's natural beauty.

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