4.5
(362)
1,232
riders
133
rides
Mountain bike trails around Saint-Mars-De-Coutais are characterized by a relatively flat landscape, often featuring paths near the Lac de Grand-Lieu and along river banks. The terrain frequently includes gravel paths winding through local forests and open countryside. Elevation gains are generally modest, making the region suitable for various skill levels. This area provides a mix of natural scenery and agricultural views for mountain biking.
Last updated: May 6, 2026
4.0
(26)
95
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(4)
17
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
4
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.3
(8)
7
riders
27.6km
01:58
150m
150m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.8
(6)
16
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Passable on gravel, a little sandy in some places.
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Not accessible depending on the tides
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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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It's quiet and it rolls well Perfect for a quiet ride
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The view of Nantes is great, but the vegetation is a bit dense, my arms will remember it.
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There are over 130 mountain bike trails around Saint-Mars-De-Coutais listed on komoot, offering a wide range of options for different skill levels.
The trails are characterized by a relatively flat landscape, often featuring paths near the Lac de Grand-Lieu and along river banks. You'll frequently encounter gravel paths winding through local forests and open countryside, with modest elevation gains.
Yes, Saint-Mars-De-Coutais offers 57 easy mountain bike trails. A good option for beginners is the Gravel Path in the Forest loop from Saint-Lumine-de-Coutais, which is 15.8 miles (25.4 km) long and leads through local woodlands.
While the region is generally flat, there are 8 trails classified as difficult. These routes may feature longer distances or more varied surfaces to provide a greater challenge for experienced riders.
Trail lengths vary significantly. For example, the South of Lac de Grand-Lieu – Saint-Rachoux footbridge loop from Port-Saint-Père - Saint-Mars is 42.0 miles (67.5 km) and takes around 4 hours 31 minutes, while the View of La Cheneau – Le Port Hamoneau loop from Port-Saint-Père - Saint-Mars is 42.4 km and typically takes about 3 hours.
Given the generally flat terrain and numerous easy routes, many trails are suitable for families. Look for the 'easy' difficulty rating on komoot tours, such as the Le Port Hamoneau – View of La Cheneau loop from Bouaye, which is 25.4 km long and has modest elevation changes.
Many routes offer scenic views of the Lac de Grand-Lieu and follow river banks. You can also explore nearby attractions such as the Lake Grand-Lieu, Pierre Aiguë site, or the Etang de Roche Ballue. Some trails also pass through local woodlands.
Yes, the majority of mountain bike trails around Saint-Mars-De-Coutais are designed as loops, allowing you to start and finish at the same point. Examples include the Gravel Path in the Forest – Banks of the Tenu loop from Machecoul-Saint-Même.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 400 reviews. Reviewers often praise the peaceful natural scenery, the extensive views around Lac de Grand-Lieu, and the variety of paths through forests and along rivers.
Given the relatively flat terrain, mountain biking is enjoyable for much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. Summer can be warm, but the trails near water bodies or through forests provide some shade. Winter conditions are generally mild, but always check local weather forecasts.
While specific cafes aren't listed directly on the trails, many routes start or pass near towns and villages like Saint-Mars-De-Coutais, Port-Saint-Père, or Machecoul-Saint-Même, where you can typically find local amenities, including cafes and restaurants.


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