4.3
(264)
5,730
riders
123
rides
Road cycling around Saint-Mars-De-Coutais is characterized by its flat to gently rolling terrain, ideal for no traffic road cycling routes. The commune is situated near Lac de Grand-Lieu, one of France's largest natural lakes, and is surrounded by extensive marshes and agricultural lands. The Tenu River also flows through the area, contributing to the serene natural environment. These landscapes provide quiet and picturesque routes away from heavy traffic.
Last updated: November 2, 2026
5.0
(1)
30
riders
60.5km
02:31
230m
230m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
17
riders
63.0km
02:49
200m
200m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

7
riders
64.1km
03:06
390m
390m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
9
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5
riders
65.7km
03:01
310m
310m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Saint-Mars-De-Coutais
The salt marshes are very pretty, especially in this corner. This mix of greenery and water forms magnificent landscapes!!
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The triple lock of Les champs neufs, located in Frossay on the Canal de la Martinière, is a masterpiece of 19th-century river engineering: * A cascade crossing: Unlike a simple lock, this structure comprises three consecutive chambers that allowed ships to compensate for the difference in level and effectively regulate water flow between the Loire estuary and the canal. * The steam machinery: Right next to the chambers stands the stone building of the La Machinerie du canal, which once housed imposing steam pumps responsible for maintaining the canal's water level constant for commercial navigation. * Heritage and promenade: With its lock gates, metal bridge, and preserved period mechanisms, it is one of the most spectacular and instructive stopping points on the route along the banks.
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A remarkable engineering work inaugurated at the end of the 19th century to maintain maritime navigation towards Nantes, the Canal de la Martinière stretches its 15 kilometers parallel to the Loire estuary. Lined with period machinery, imposing locks, and natural bird reserves, it is today a prime spot for walking, fishing, and cycling on the Voie Verte. The site also hosts the contemporary artwork Misconceivable (the "soft boat") from the Estuaire trail.
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Join the port of La Morinière for a break by the Acheneau.
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Beautiful little church. Worth going inside.
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a stop at the bakery is essential
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There are over 100 dedicated no-traffic road cycling routes around Saint-Mars-de-Coutais, offering a wide variety of options for cyclists. These routes range from easy to moderate difficulty, ensuring there's something for every skill level.
The terrain around Saint-Mars-de-Coutais is generally flat to gently rolling, characterized by marshes and agricultural lands. This makes it ideal for road cycling, with routes often following small communal roads and agricultural paths, ensuring a quiet and picturesque experience away from heavy traffic. You'll find minimal elevation gain on most routes.
Yes, many of the no-traffic road cycling routes around Saint-Mars-de-Coutais are designed as loops, allowing you to start and finish at the same point. For example, the Martinière Canal – Le Pellerin Ferry loop offers a scenic circular ride, and the Superb marsh views – Briord Ponds loop provides another excellent option for exploring the local landscapes.
Many routes offer stunning views of the Lac de Grand-Lieu, one of France's largest natural lakes, known for its rich biodiversity. You'll also cycle through tranquil marshes and alongside the Tenu River. Some routes may pass by points of interest like the Le Pellerin Ferry or the Etang de Roche Ballue.
The Pays de la Loire region, including Saint-Mars-de-Coutais, is pleasant for cycling from spring through early autumn. The weather is generally mild, making it comfortable to explore the flat to gently rolling terrain. Spring brings blooming landscapes, while summer offers longer daylight hours. Autumn provides beautiful colors and cooler temperatures.
Yes, with 33 easy routes available, there are plenty of family-friendly options. The generally flat terrain and dedicated low-traffic paths make it suitable for cyclists of all ages. Routes that stick to the quiet communal roads and agricultural paths are particularly good for families looking for a safe and enjoyable ride.
Saint-Mars-de-Coutais is located within the Pays de la Loire region, which has a well-developed cycling network. While direct public transport links to specific trailheads might vary, the area benefits from its proximity to major regional cycling routes. For broader regional access, you can explore options that connect to the extensive network, such as those leading to La Loire à Vélo or La Vélodyssée.
Parking is generally available in and around the commune of Saint-Mars-de-Coutais, particularly near village centers or designated starting points for local cycling routes. Many routes, like the Le Tenu – Route de la Berderie loop, often begin from accessible locations, making it convenient to park your vehicle before starting your ride.
The area is highly rated by the komoot community, with an average score of 4.34 stars. Reviewers often praise the tranquility of the routes, the beautiful marsh views, and the absence of heavy traffic, which allows for a relaxed and immersive cycling experience through the rural countryside and along the Lac de Grand-Lieu.
While the terrain is generally flat, some routes offer longer distances and slightly more elevation gain, providing a good challenge for experienced cyclists. For instance, the Briord Ponds – The Trembling Stone loop covers nearly 65 km with over 390 meters of elevation, offering a more demanding ride while still enjoying the car-free environment.
While many routes traverse rural areas, you'll find opportunities for refreshments in the villages and towns along or near the routes. It's always a good idea to plan your stops in advance or carry sufficient supplies, especially on longer rides through the more secluded marshlands.


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