4.6
(22)
267
runners
25
runs
Jogging routes around Saint-Malo-De-Guersac provide access to the Brière Regional Nature Park, France's second-largest wetland. The region is characterized by an expansive aquatic landscape of canals, reed beds, and wet meadows. This environment offers flat terrain and varied routes for running, with minimal elevation changes.
Last updated: July 5, 2026
4.9
(17)
29
runners
9.90km
01:01
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
23
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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17
runners
10.6km
01:07
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
21
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
11.5km
01:13
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A beautiful tribute to Tintin's (brief) visit to Saint-Nazaire
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a perfectly passable route without major difficulty
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High viewpoint over the Briére marsh
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To do in different seasons to see the evolution of the marsh.
3
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The most touristic of the eight islands that make up the commune of Saint-Joachim, notably for its famous thatched cottages typical of Brière and its Michelin-starred restaurant, La Mare aux Oiseaux.
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A secure footbridge for cyclists and pedestrians to cross the N171 motorway in Trignac.
1
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Superb viewpoint from its summit, on a clear day you can see the Saint Nazaire bridge and the surrounding marshes. However, be careful when climbing wooden steps in wet weather with cleats and road shoes.
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There are over 25 dedicated running routes around Saint-Malo-De-Guersac, offering a variety of options to explore the Brière Regional Nature Park. These include 2 easy routes, 20 moderate routes, and 5 more challenging trails.
Yes, Saint-Malo-De-Guersac offers a couple of easy running routes perfect for beginners or those looking for a relaxed jog. The terrain in the Brière marshes is generally flat, making it accessible for various fitness levels.
The running trails primarily showcase the unique landscapes of the Brière Regional Nature Park, France's second-largest wetland. You'll experience expansive aquatic environments with intricate networks of canals, vast reed beds, and tranquil wet meadows. Many routes offer opportunities for birdwatching and enjoying the serene natural environment.
Yes, many of the running routes in Saint-Malo-De-Guersac are circular, allowing you to start and finish at the same point. For example, the Rozé Locks loop from Saint-Malo-de-Guersac is a popular 9.9 km circular trail exploring the canals and locks of the Brière marshes.
While jogging, you can encounter several interesting sights. The Rozé Port and Viewpoint offers panoramic views of the Brière marshes. You might also pass by the Pierre Constant Site – Brière Marsh Nature Reserve, known for birdwatching. Some routes, like the Island of Fédrun – Rozé Port and Viewpoint loop from Saint-Malo-de-Guersac, take you through the charming Island of Fédrun.
Absolutely. For more seasoned runners, the area offers challenging routes like the Island of Fédrun – Rozé Port and Viewpoint loop from Saint-Malo-de-Guersac, which is 17.2 km long. Additionally, the region is home to the GR® de Pays Tour de Brière, a substantial 68-kilometer loop that traverses ten communes within the park, offering a deeper immersion into the Brière for trail runners. You can find more information about this longer trail on the Saint-Nazaire Tourisme website.
The running routes in Saint-Malo-De-Guersac are highly rated by the komoot community, with an average score of 4.6 stars from over 20 reviews. Runners often praise the tranquil marshlands, the intricate canal networks, and the diverse options available for different ability levels.
Yes, the generally flat terrain and scenic marshland paths make many routes in the Brière Regional Nature Park suitable for family jogging. The peaceful environment and opportunities for wildlife spotting can make for an enjoyable outing for all ages. Consider shorter, easier loops for younger family members.
While many outdoor areas in France welcome dogs, it's always best to check specific regulations for the Brière Regional Nature Park and individual trails, especially concerning nature reserves like the Pierre Constant Site. Generally, dogs on a leash are permitted on public paths, but always be mindful of wildlife and other users.
Many routes, particularly those starting from popular access points like Port de Rozé, offer designated parking areas. Port de Rozé is a significant starting point for many outdoor adventures in the region, including the 9-kilometer 'Les Chaussées' trail.
The Brière Regional Nature Park offers beautiful scenery year-round. Spring and autumn provide pleasant temperatures and vibrant natural colors, making them ideal for running. Summer can be warm, but the open marshland often benefits from refreshing breezes. Winter running is also possible, offering a unique, tranquil experience of the wetlands.
For breathtaking panoramic views of the Brière marshes, consider routes that pass by the Rozé belvedere. The Island of Fédrun – Rozé Port and Viewpoint loop from Saint-Malo-de-Guersac and the Roze Viewpoint loop from La Grée both offer excellent opportunities to experience these expansive vistas.


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