4.4
(56)
2,595
runners
30
runs
Jogging around Saint-Mars-Du-Désert offers diverse natural landscapes within the Loire-Atlantique department, situated between the Erdre and Loire Valleys. The region features the expansive Plain of Mazerolles, known for its flat or gently rolling terrain and rich biodiversity. Runners can explore the tranquil Erdre Valley, which includes quiet roads and greenways, or find routes around local lakes like the Étang du Mortier. The area provides a network of trails suitable for various running preferences.
Last updated: July 6, 2026
4.0
(3)
43
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
31
runners
17.8km
02:06
70m
70m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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21
runners
21.5km
02:27
290m
290m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
runners
9.44km
01:00
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
5.93km
00:37
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Proof of the passage of the old railway, this greenway runs in a straight line through a pretty wood. You have the impression of passing through a plant tunnel whose colors change with the seasons.
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Superb road, well maintained with an interesting vertical drop and breathtaking views of the Carquefou countryside
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There are over 30 dedicated running routes around Saint-Mars-du-Désert, offering a wide variety of distances and difficulty levels for joggers.
You'll find diverse terrain, including greenways, quiet country roads, and paths around local lakes like the Étang du Mortier. The region is characterized by its expansive Plain of Mazerolles, offering flat or gently rolling sections, and the tranquil Erdre Valley with its picturesque countryside loops.
Yes, the area offers several easy and moderate routes perfect for beginners. Many paths feature gentle elevation changes, such as the Running loop from Saint-Mars-du-Désert, which is just under 10 km with minimal elevation gain.
Absolutely. For those seeking a greater challenge, routes like the Running loop from Longrais offer significant elevation gain over its 21.5 km distance, leading through varied rural landscapes.
The region is rich in natural beauty. You can explore the ornithologically significant Plain of Mazerolles, or run alongside the Erdre Valley. There are also several lakes nearby, such as the Plessis Pond and the Pond of Parc du Charbonneau. For a specific lake-side run, consider the Étang du Mortier loop from Saint-Mars-du-Désert.
While running, you might encounter glimpses of the region's heritage. The area around Saint-Mars-du-Désert is home to several castles, such as Oudon Castle or La Gascherie Castle, which add a historical dimension to the scenic routes.
The running routes in Saint-Mars-du-Désert are highly rated by the komoot community, with an average score of 4.4 stars from over 50 reviews. Runners often praise the diverse natural landscapes, the tranquility of the countryside, and the well-maintained greenways that make for enjoyable runs.
Yes, many of the routes in Saint-Mars-du-Désert are circular, allowing you to start and finish at the same point. An example is the Greenway loop from Saint-Mars-du-Désert, which offers a longer, challenging circuit.
The presence of greenways and gently rolling terrain makes many routes suitable for families. Shorter, easier paths provide a great opportunity for all ages to enjoy the outdoors together. Always check the route details for distance and elevation to ensure it matches your family's fitness level.
While specific regulations can vary, many natural trails and greenways in France are generally dog-friendly, especially if your dog is on a leash. It's always recommended to check local signage or specific route details on komoot for any restrictions before heading out with your canine companion.
Saint-Mars-du-Désert offers a compelling environment for outdoor activities throughout the year due to its diverse natural landscapes. Spring and autumn provide pleasant temperatures and vibrant scenery, while summer offers longer daylight hours. Even in winter, the well-established trail networks can be enjoyed, though conditions may vary.
Yes, the Plain of Mazerolles is a significant natural attraction in the area, known for its expansive and often flat or gently rolling terrain. Many routes will allow you to experience this protected site, offering a unique running experience amidst rich biodiversity and scenic views.


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