4.3
(1609)
7,197
riders
620
rides
Mountain biking around Saint-Nazaire offers diverse terrain, from coastal paths to extensive marshlands and green spaces. The region, situated at the mouth of the Loire estuary, features a mix of flatter routes suitable for leisure cycling and longer trails with moderate elevation gains. While dedicated technical mountain biking trails are more common in areas like Saint-Nazaire-le-Désert, the broader Saint-Nazaire area provides a network of paths through its varied natural environment. This includes sections of the GR®34 coastal path and routes…
Last updated: July 4, 2026
4.4
(21)
279
riders
39.3km
03:09
400m
400m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.4
(26)
152
riders
38.6km
02:30
150m
150m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.7
(11)
150
riders
36.4km
02:45
360m
360m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(28)
176
riders
52.3km
02:43
170m
170m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.9
(18)
107
riders
37.9km
01:57
80m
80m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.6
(22)
139
riders
52.6km
03:26
180m
180m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(26)
93
riders
32.2km
02:01
280m
280m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.7
(12)
24
riders
36.1km
02:26
110m
110m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(47)
253
riders
45.1km
02:24
140m
140m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.8
(14)
52
riders
30.7km
02:03
170m
170m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Popular around Saint-Nazaire
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Old mill dating from the 16th century. Located on private property, but relatively visible from the road. Whether you climb up from Angellerais by road or via the GR3 trail, it will require a good effort.
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A pleasant little detour on the road to Pontchâteau. The Moulin de la Lande is a lovely place to stop and relax—a peaceful spot with an open view and an authentic atmosphere. Formerly a windmill belonging to the commune of Pontchâteau, the Moulin de la Lande bears witness to the region's milling past. Today, it stands in ruins.
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As its name suggests, this is the largest beach in Préfailles. Lively and supervised in the summer.
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Sainte-Marguerite Beach is the smallest of Pornichet's three beaches. For a complete immersion in the Pornichet of yesteryear, this is the perfect place. Lined with old-world villas and surrounded by wooded surroundings, it's a favorite with lovers from near and far, as well as locals who appreciate its discreet atmosphere. People love swimming here in the summer and strolling there in the fall, in a gentle and romantic atmosphere. On site: snack bar, restaurant, sailing school, beach club, lifeguard station, and restrooms. Swimming is supervised in July and August.
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The Le Guérandais cooperative is founded on the strong values of mutual support, equality, fairness, and solidarity. It brings together passionate men and women driven by a common goal and vision: to immortalize Guérande salt and make it shine throughout the world and for years to come. The cooperative's members elect their Board of Directors at a General Meeting. The Board of Directors is organized into specific committees and works with the General Director and all employees to develop the cooperative. The Board of Directors currently consists of 14 members, chaired by Maël VIAUD, and represents the 225 salt farmers.
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There are over 590 mountain bike trails around Saint-Nazaire listed on komoot. These routes offer a wide range of experiences, from easy rides through green spaces to more challenging trails with technical sections.
The terrain around Saint-Nazaire is quite diverse. You'll find coastal paths offering scenic views, routes through extensive marshlands within the Brière Regional Natural Park, and trails winding through green spaces and parks. While generally flatter, some routes include moderate elevation gains and technical sections, especially inland.
Yes, Saint-Nazaire offers nearly 300 easy mountain bike trails, perfect for beginners or family outings. These routes often traverse the flatter coastal areas, green spaces, and the Brière Regional Natural Park, providing a relaxed cycling experience. For example, many trails around Bois-Joalland lake offer gentle paths.
While the region is known for its more accessible cycling, there are still challenging options. About 14 difficult mountain bike trails are available for experienced riders. Routes like Creek Downhill/mountain – Super single, a little technical loop from Savenay feature technical singletrack sections and creek crossings, providing a more demanding ride.
Many routes offer scenic views, particularly those along the coast or through the Brière Regional Natural Park. The coastal path (GR®34) provides incredible vistas where the Loire estuary meets the Atlantic. Trails like Main Beach – Corniche de Port aux Goths loop from Pornic offer beautiful coastal scenery.
Many of the natural paths and green spaces around Saint-Nazaire are suitable for cycling with dogs, provided they are kept under control and local regulations are followed. The Brière Regional Natural Park and various public parks offer ample space for you and your canine companion to enjoy. Always check specific trail rules for any restrictions.
You can discover several interesting landmarks and natural features. For historical sites, consider trails near the Tumulus of Dissignac or the Dolmen de la Joselière. The Guérande Salt Marshes are also a unique natural monument worth exploring. Some routes might even pass by castles like Pornic Castle or the Guérande Ramparts.
While Saint-Nazaire is not a mountainous region, some trails do offer moderate elevation gains. For instance, the Creek Downhill/mountain – Super single, a little technical loop from Savenay has an elevation gain of over 400 meters. Other routes like Lac de Savenay – Mabille Valley Lake loop from Savenay also feature close to 300 meters of ascent, providing a good workout.
Saint-Nazaire's diverse landscape makes it suitable for mountain biking for much of the year. Spring and autumn generally offer pleasant temperatures and fewer crowds. Summer can be enjoyable, especially along the coast, but can also be busier. Winters are milder, but some trails might be wet, particularly in marshland areas.
Yes, many mountain bike trails in the Saint-Nazaire area are designed as loops, allowing you to start and finish at the same point. Examples include the Chapel of St Second – Menhir du Bois Hoël loop from Pontchâteau and the Le Guérandais – Pavillon Beach loop from La Turballe, which are popular choices among local riders.
The mountain bike trails around Saint-Nazaire are highly rated by the komoot community, with an average score of 4.4 stars from over 1,400 reviews. Riders often praise the varied terrain, the beautiful coastal sections, and the peaceful routes through the marshlands and green spaces, making it a rewarding destination for cycling.
Saint-Nazaire has a local public transport network that can help you reach various starting points for trails. While specific trailheads might require a short ride or walk from a bus stop, the city's integration with broader cycling networks like 'La Loire à Vélo' suggests good accessibility. Check local transport schedules for routes that serve areas near parks or natural reserves.
Many trailheads and popular starting points for mountain bike routes in Saint-Nazaire, especially near parks, lakes, and coastal areas, offer designated parking facilities. For example, areas around Bois-Joalland lake or the Brière Regional Natural Park typically have parking available. It's advisable to check the specific route details on komoot for parking information at your chosen starting point.


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