4.5
(292)
15,110
runners
589
runs
Jogging routes around Lac De Grand Lieu offer access to France's largest natural lowland lake, a protected nature reserve. The region is characterized by extensive wetlands and marshes, with water levels fluctuating seasonally. This creates diverse environments for running, featuring flat terrain and rich biodiversity, particularly birdlife.
Last updated: July 11, 2026
5.0
(1)
86
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
37
runners
8.64km
00:55
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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34
runners
8.36km
00:55
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
34
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
24
runners
11.2km
01:10
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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Of this important 9th century abbey, all that remains today is the very beautiful abbey church, a priory and the gardens.
2
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It is possible to go around the lake by bike
2
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Peaceful little port on the Acheneau River. The place seems very popular with anglers.
1
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Beautiful view of the lake of Grand-Lieu
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At the end of winter, the path stops with the level of the lake which cuts the road and does not allow you to go to the end. But it doesn't matter, it's always nice to go for a little walk
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There are over 500 running routes around Lac de Grand Lieu, catering to various preferences and fitness levels. The komoot community has explored more than 14,000 of these routes.
The terrain around Lac de Grand Lieu is predominantly flat, characterized by vast wetlands and marshlands. Due to fluctuating water levels, especially in winter, the landscape offers dynamic and varied scenery, ideal for relatively easy running.
Yes, Lac de Grand Lieu offers 37 easy running routes, perfect for beginners or those looking for a relaxed jog. These paths typically feature minimal elevation gain and smooth surfaces.
While direct access to the lake is restricted, several viewpoints offer stunning perspectives. You can enjoy views from the Pierre Aiguë site, or explore the lake path between Bouaye and Saint Aignan de Grand Lieu. The Window over Lake Grand-Lieu also provides a unique vista.
Absolutely. Lac de Grand Lieu is a significant ornithological reserve, home to over 270 bird species. Jogging along the trails, particularly those through the wetlands and reedbeds, offers excellent opportunities for birdwatching, including grey herons and white storks.
Yes, many of the running routes around Lac de Grand Lieu are circular, allowing you to start and finish at the same point. For example, the Running loop from Saint-Léger-les-Vignes is a popular option.
The komoot community highly rates the running experience around Lac de Grand Lieu, with an average score of 4.5 stars from over 240 reviews. Runners often praise the serene natural beauty, the rich biodiversity, and the peaceful atmosphere of the wetlands and marshlands.
Yes, the generally flat and well-maintained paths make many routes suitable for families. The easy routes are particularly good for younger runners or those with strollers, offering a chance to enjoy nature together.
While the region is a protected nature reserve, many public paths and trails around the lake are dog-friendly. However, it's always recommended to keep dogs on a leash to protect the local wildlife and ensure a pleasant experience for all users.
The best time to jog depends on your preference. Spring and autumn offer pleasant temperatures and vibrant scenery. Winter brings higher water levels, transforming the landscape into vast flooded meadows, which can be a unique experience. Summer is also popular, but be mindful of warmer temperatures.
While the immediate vicinity of the protected lake is very natural, you can find cafes and restaurants in the nearby villages and towns surrounding Lac de Grand Lieu, such as Bouaye or Saint-Philbert-de-Grand-Lieu. These are typically a short drive or bike ride from many trailheads.
While the terrain is generally flat, some routes offer longer distances, providing a greater endurance challenge. For instance, the Le Port Hamoneau – Marais du Cheval loop from Saint-Léger-les-Vignes is an 8.1-mile (13.0 km) trail that offers a good workout through marsh and wetland areas.
Many of the starting points for the running routes, especially in villages like La Chevrolière or Saint-Léger-les-Vignes, offer designated parking areas. It's advisable to check the specific route details on komoot for parking information related to your chosen trail.


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