4.4
(469)
1,546
riders
17
rides
Mountain biking around Saint-Philbert-De-Grand-Lieu offers a network of routes primarily characterized by flat terrain and proximity to the Lac de Grand-Lieu. The landscape features open areas, agricultural land, and paths along the lake's shores, providing a generally gentle riding experience. Elevation changes are minimal, making the area suitable for riders seeking less strenuous mountain bike trails Saint-Philbert-De-Grand-Lieu.
Last updated: May 7, 2026
5.0
(3)
20
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(4)
7
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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8
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(2)
5
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3.7
(6)
9
riders
20.5km
01:23
80m
80m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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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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perfect path for mountain biking while visiting the beautiful landscapes of the region.
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I went there to take a dip but the site was littered with rubbish (cake wrappers, chips, candy, tissues, McDonald's bags, pizza boxes, etc.) right down to the water. Exceptional because it was the day after the music festival or just a habit? Sunday was also packed with people (obviously)
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This castle is otherwise called the Château des Marais. It is now a private mansion of more than 1600 m², built by an architect under neo-classical inspiration. from the 1880s built on an estate of more than 12 hectares with its park, two fish ponds, swimming pool, its small forest, its meadow and its vineyards... More information and reservations here: https://www.chateau-desmarais.fr/
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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.
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Among the hedges and the oaks, you may be able to observe nesting birds of prey, rare in the Pays de la Loire. This small forest is pleasant to walk through - the trail is open from May to October.
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There are 17 mountain bike trails documented around Saint-Philbert-De-Grand-Lieu on komoot, offering a variety of routes for different skill levels.
Yes, the area is well-suited for beginners with 9 easy mountain bike trails. These routes typically feature flat terrain and minimal elevation changes, making for a gentle riding experience. An example is the Tour of Lake Grand-Lieu – South of Lac de Grand-Lieu loop from La Moillancherie, an easy 20.4 km trail.
The mountain bike trails around Saint-Philbert-De-Grand-Lieu are characterized by primarily flat terrain, often running alongside the Lac de Grand-Lieu. You'll encounter open areas, agricultural land, and paths along the lake's shores, with minimal elevation changes.
Yes, for those looking for a longer ride, the 10 km loop from Saint-Philbert-de-Grand-Lieu is a moderate 52.9 km path that offers extensive riding through the local countryside with varied scenery.
The mountain bike trails in Saint-Philbert-De-Grand-Lieu are highly rated by the komoot community, with an average score of 4.4 stars from over 500 reviews. Riders often praise the scenic lake views and the generally gentle, accessible nature of the routes.
Many of the trails around Saint-Philbert-De-Grand-Lieu are circular. For instance, the South of Lac de Grand-Lieu – Château des Jamonières loop from Saint-Philbert-de-Grand-Lieu is a popular moderate loop exploring the southern side of the lake.
The trails often pass by natural and historical points of interest. You can explore areas like Lake Grand-Lieu, Pierre Aiguë site, or the Etang de Roche Ballue. Some routes also lead towards charming settlements like Trentemoult, a former fishing village, accessible via ferry crossings like the Le Pellerin Ferry.
Given the predominantly flat terrain and the presence of 9 easy trails, many routes around Saint-Philbert-De-Grand-Lieu are suitable for families. The gentle nature of the paths along the lake shores provides a pleasant experience for riders of all ages.
The region's climate makes spring and autumn ideal for mountain biking, offering pleasant temperatures and beautiful scenery. Summer can also be enjoyable, especially for rides along the lake where breezes can provide some relief from the heat.
While specific crowd levels vary, exploring some of the lesser-known easy routes, such as the Mountainbike loop from Saint-Philbert-de-Grand-Lieu, might offer a more tranquil experience away from the most popular lake-side paths.
Given the open nature of many trails, it's advisable to bring sun protection (sunscreen, hat), sufficient water, and snacks. A basic repair kit for your bike is also recommended. Always check the weather forecast before heading out.
Many trails in the area provide excellent views of Lac de Grand-Lieu. The Grand-Lieu Lake Observatory – Lake of Parc de la Boulogne loop from Saint-Philbert-de-Grand-Lieu is an easy route that specifically highlights the lake's natural beauty.


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