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France
Pays de la Loire
Nantes

Lac De Grand Lieu

Easy hikes and walks around Lac De Grand Lieu

4.5

(551)

3,345

hikers

250

hikes

Hiking around Lac De Grand Lieu offers exploration of France's largest natural plain lake, characterized by its shallow depth and extensive wetlands. The landscape features vast reedbeds, floodplains, and mosaic marshes that change seasonally, supporting a rich biodiversity. This dynamic environment provides numerous natural features for trails, including diverse ecosystems and varied terrain around the lake's perimeter. Elevated viewpoints offer scenic perspectives over the expansive waters and surrounding natural reserve.

Best easy hiking trails around Lac De Grand Lieu

  • The…

Last updated: May 18, 2026

5.0

(5)

24

hikers

#1.

Marshes loop from La Berderie

7.72km

01:58

20m

20m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

4.7

(3)

11

hikers

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Tips from the Community

Kerian
June 24, 2025, Plan d'eau de Saint Philbert de Grand Lieu

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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There is no chance to cross this water between October and May

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Great running loop

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Fred
October 14, 2023, Le Tenu

Beautiful views from the bridge over the Acheneau River and the Château de Saint-Mars de Coutais.

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It is possible to go around the lake by bike

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Fred
September 18, 2022, Lac de Grand-Lieu

Beautiful view of the lake of Grand-Lieu

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1

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Fred
May 9, 2022, Marais

Beautiful space between land and water, with many birds

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0

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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Frequently Asked Questions

How many easy hiking trails are available around Lac De Grand Lieu?

There are over 100 easy hiking trails around Lac De Grand Lieu, offering diverse options for exploring the region's unique natural features. In total, komoot lists 243 hiking routes in the area.

What kind of natural features can I expect to see on easy hikes around Lac De Grand Lieu?

Easy hikes around Lac De Grand Lieu will immerse you in a unique wetland ecosystem. You'll encounter vast reedbeds, seasonal floodplains, and mosaic marshes. The area is also a significant ornithological reserve, so keep an eye out for diverse bird species like grey herons and spoonbills. The landscape changes dramatically with the seasons, offering different views throughout the year.

Are there any family-friendly easy hikes in the area?

Yes, many paths are ideal for family outings and kid-friendly excursions. Routes like the Lake of Parc de la Boulogne loop from Saint-Philbert-de-Grand-Lieu are short and have minimal elevation gain, perfect for all ages. The dynamic environment and wildlife spotting opportunities make it engaging for children.

What are some scenic viewpoints along easy trails around Lac De Grand Lieu?

For panoramic views, consider trails that pass by elevated points. The church bell tower in Saint-Lumine-de-Coutais offers sweeping vistas over the reedbeds and floodplains. Another excellent spot is the Lake Grand-Lieu, Pierre Aiguë site in Saint-Aignan-de-Grand-Lieu, which provides scenic perspectives over the lake.

Can I bring my dog on the easy hiking trails?

While many trails are generally dog-friendly, Lac De Grand Lieu is a protected natural reserve. It's crucial to keep dogs on a leash to protect the abundant wildlife, especially nesting birds. Always check local signage for specific restrictions in certain areas or during particular seasons.

Are there circular easy walks around Lac De Grand Lieu?

Yes, several easy circular routes are available. For instance, the Marshes loop from La Berderie is a popular circular trail navigating through marshland scenery. Another option is the View of Lake Grand-Lieu – Lake Grand-Lieu loop from La Chevrolière, which offers a pleasant lakeside circuit.

What is the best time of year for easy hikes around Lac De Grand Lieu?

The best time to hike depends on what you want to experience. Spring and autumn offer pleasant temperatures and vibrant scenery. Winter provides a unique perspective as the lake expands significantly, reaching up to 6,000 hectares, and is excellent for birdwatching. Summer sees the lake recede, revealing more of the marshlands, but can be warmer.

Are there any interesting landmarks or attractions near the easy hiking trails?

Absolutely. You can explore charming villages like La Chevrolière, home to the fishing village of Passay. Saint-Philbert-de-Grand-Lieu features a 9th-century Carolingian abbey church. For insights into the lake's ecology, visit the Maison des Pêcheurs or the Maison du Lac de Grand-Lieu in Bouaye. You can also find the The Acheneau river nearby.

What do other hikers enjoy most about hiking in Lac De Grand Lieu?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 550 reviews. Reviewers often praise the tranquil immersion in nature, the unique wetland landscapes, and the abundant birdlife. Many appreciate the well-maintained paths suitable for easy walks.

Where can I find parking for easy walks around Lac De Grand Lieu?

Parking is generally available near the trailheads in the surrounding villages and communes. For example, you can find parking in La Chevrolière for routes like the Hiking loop from La Chevrolière, or near Parc de la Boulogne for the loop from Saint-Philbert-de-Grand-Lieu. Specific parking details are often provided on individual route pages.

Are there cafes or places to eat near the easy hiking paths?

Yes, the charming villages surrounding Lac De Grand Lieu, such as La Chevrolière and Saint-Philbert-de-Grand-Lieu, offer cafes and restaurants where you can refresh before or after your hike. The fishing village of Passay, for instance, provides a unique lakeside cultural experience with dining options.

How long do easy hikes around Lac De Grand Lieu typically take?

Easy hikes in the region are generally short, often taking up to two hours to complete. For example, the Lake of Parc de la Boulogne loop from Saint-Philbert-de-Grand-Lieu is about 2.6 miles (4.2 km) and takes approximately 1 hour 24 minutes, while the Le Tenu loop from Port-Saint-Père - Saint-Mars is 5.9 miles (5.9 km) and takes around 1 hour 31 minutes.

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