4.4
(676)
3,836
riders
221
rides
No traffic touring cycling routes around Saint-Mars-De-Coutais traverse a landscape defined by the Marais de Grand Lieu and Lac de Grand Lieu. This area features a blend of marshes, woods, bocage, and vineyards, with numerous agricultural paths. The terrain is generally flat, offering accessible cycling experiences. The region's natural features include the expansive Lac de Grand Lieu, which is France's largest natural plain lake in winter, and the Marais de Grand Lieu, a significant ornithological reserve.
Last updated: May 22, 2026
5.0
(1)
24
riders
42.8km
03:15
260m
260m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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3.0
(1)
6
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
5
riders
22.1km
01:46
70m
70m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
4
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Saint-Mars-De-Coutais
Long gravel path, very smooth except for a short, slightly grassy section but relatively dry for most of the year. Really enjoyable on a mountain bike or gravel bike.
2
0
This beautiful section of the circuit in the heart of the Grandlieu marshes can only be used by bike in summer (as it is covered in winter).
0
0
A gravel path through the forest, without potholes, suitable for a touring bike with thicker tires. The path is partially shaded and there are many places to picnic along the path under the trees.
0
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The church is actually called Saint-Médard. Saint-Médard, the contraction of which gave Saint-Mars.
1
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A picnic table, the shade of trees and the immediate proximity of water. The perfect place for a picnic during your hike.
2
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Peaceful little port on the Acheneau River. The place seems very popular with anglers.
1
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Fairly rolling path that allows you to pass under the D723 in gravel mode
1
0
There are over 220 dedicated no-traffic touring cycling routes around Saint-Mars-De-Coutais. A significant portion, more than 130, are rated as easy, making the area very accessible for various skill levels.
The routes offer a diverse range of landscapes, primarily featuring the unique environment of the Marais de Grand Lieu and the Lac de Grand Lieu. You'll cycle through marshes, woods, bocage, vineyards, and agricultural paths, providing constantly changing scenery. The area is also known for its rich birdlife, especially around the lake.
Yes, Saint-Mars-De-Coutais is ideal for family cycling, with many easy, traffic-free routes. The area's integration into departmental cycling itineraries often utilizes small communal roads and agricultural paths, perfect for a relaxed family outing. A good example is the Chemin de la Vigne de la Lande – Chemin du Fief Saint-Mars loop from Saint-Léger-les-Vignes, which is rated easy and offers a pleasant 13 km ride.
Spring and autumn are generally the best seasons for touring cycling in Saint-Mars-De-Coutais. In spring, the landscape around the Lac de Grand Lieu comes alive as the flooded lands recede, revealing lush marshes. Autumn offers pleasant temperatures and beautiful colors. Summers can be warm, but the routes often provide shade, and the natural beauty remains captivating.
Many routes will take you close to the stunning Lac de Grand Lieu, France's largest natural plain lake. You might also encounter highlights like the Lake Grand-Lieu, Pierre Aiguë site, or the Etang de Roche Ballue. The region also features charming villages and agricultural landscapes. For a deeper dive into the lake's ecosystem, consider visiting the Maison du Lac in Bouaye.
Yes, many of the no-traffic touring routes in Saint-Mars-De-Coutais are circular, allowing you to start and end at the same point. For instance, the Le Tenu – Chemin des Petites Rambergères loop from Port-Saint-Père - Saint-Mars is an easy 16 km circular route, perfect for exploring the local scenery without retracing your steps.
Parking is generally available in the villages and towns that serve as starting points for these routes, such as Saint-Mars-De-Coutais itself or nearby Port-Saint-Père. Look for designated parking areas near town centers or trailheads. Specific parking information can often be found on individual route descriptions.
The area is highly rated by the komoot community, with an average score of 4.39 stars from over 680 ratings. Reviewers often praise the tranquility of the routes, the stunning natural beauty of the Grand Lieu marshlands, and the well-maintained, traffic-free paths that make for a relaxing and immersive cycling experience.
While many routes are shorter loops, the region is integrated into larger departmental cycling itineraries. You can combine several shorter, traffic-free sections to create longer touring experiences. For a moderate, longer ride, consider the Le Tenu – Le Port Hamoneau loop from Port-Saint-Père - Saint-Mars, which covers over 42 km through varied terrain.
Public transport options with bike carriage can vary. It's advisable to check local transport provider websites for specific rules and schedules regarding bikes on trains or buses in the Loire-Atlantique department. For general information on cycling in the region, you might find resources on local tourism sites like visitnantesvineyard.com.
While many routes traverse natural and agricultural areas, you'll find cafes, bakeries, and small shops in the villages and towns located along or near the cycling paths. Planning your route to pass through these settlements will allow for convenient refreshment stops. Some routes, like the 'Vélo et Fromages' route, are specifically designed to highlight local produce and stops.


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