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France
Pays de la Loire
Nantes

Lac De Grand Lieu

The best walks and hikes around Lac De Grand Lieu

4.5

(553)

3,345

hikers

246

hikes

Hiking around Lac De Grand Lieu offers a network of trails primarily characterized by flat terrain and expansive views of the lake and its surrounding wetlands. The region features a landscape dominated by water, marshlands, and agricultural areas, providing a habitat for diverse wildlife. Trails often follow the lake's edge or traverse through the adjacent countryside, with minimal elevation changes. This makes the area suitable for accessible walks and family friendly hikes.

Best hiking trails around Lac De Grand Lieu

  • The most popular hiking route is Tour of Lake Grand-Lieu Trail, a 11.5 miles (18.6 km) moderate trail that takes 4 hours 44 minutes to complete, offering a comprehensive circuit around the lake.
  • Another top favourite among local hikers is Lake Grand-Lieu – View of Lake Grand-Lieu loop from La Chevrolière, a moderate 6.3 miles (10.2 km) path that provides scenic viewpoints over the vast lake.
  • Local hikers also love the View of Pierres Aiguës loop from Saint-Aignan-Grandlieu, a 5.0 miles (8.0 km) trail leading through rural landscapes with views of the Pierres Aiguës, often completed in about 2 hours 2 minutes.
  • Hiking around Lac De Grand Lieu is defined by lake views, marshland paths, and gentle countryside trails. The network offers options for easy hikes, moderate excursions, and some more challenging routes for different ability levels.
  • The routes in Lac De Grand Lieu are highly rated by the komoot community with an average score of 4.5 stars from over 550 reviews. More than 3,500 hikers have used komoot to explore Lac De Grand Lieu's varied terrain.

Last updated: May 12, 2026

4.4

(5)

11

hikers

#1.

Tour of Lake Grand-Lieu Trail

18.6km

04:44

50m

50m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

5.0

(5)

24

hikers

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

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Lac De Grand Lieu

Cycling around Lac De Grand Lieu

Road Cycling Routes around Lac De Grand Lieu

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MTB Trails around Lac De Grand Lieu

Gravel biking around Lac De Grand Lieu

Tips from the Community

Nicolas Vergnaud
November 14, 2024, Le lac de Grand-Lieu, site de Pierre aiguë

The largest natural plain lake and the second largest ornithological reserve in France, Lake Grand-Lieu offers magnificent lakeside landscapes. Here, you have to get off your bike to get as close as possible to its waters.

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

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Magnificent view of the lake 👌

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very beautiful!

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Arriving from La Chevroliere in the direction of Pont Saint Martin, turn off to cross the Ognon with the Bac in spring and summer, it's more pleasant

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A picnic table, the shade of trees and the immediate proximity of water. The perfect place for a picnic during your hike.

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Fred
September 18, 2022, Lac de Grand-Lieu

Beautiful view of the lake of Grand-Lieu

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Very good spot for a panoramic view of the lake. Bird observatory on the path on the right

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Frequently Asked Questions

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

There are over 240 hiking routes around Lac De Grand Lieu, offering a wide variety of options for different skill levels. This includes over 110 easy routes and nearly 130 moderate trails, ensuring there's something for everyone.

Are there any easy or short walks suitable for beginners or families with young children?

Yes, Lac De Grand Lieu is well-suited for easy and family-friendly walks due to its generally flat terrain. You'll find over 110 easy routes. A good option for a gentle stroll is the Marshes loop from La Berderie, which is an easy 7.7 km (4.8 miles) path through the marshlands.

What kind of wildlife can I expect to see while hiking around Lac De Grand Lieu?

Lac De Grand Lieu is a significant wetland area, making it a prime spot for birdwatching. You can expect to see a diverse range of waterfowl and migratory birds. The marshlands and surrounding natural areas provide habitats for various species, especially during spring and autumn migration periods.

Are there any circular walks around Lac De Grand Lieu?

Yes, many of the trails around Lac De Grand Lieu are circular, allowing you to start and end at the same point. For a comprehensive experience, consider the Tour of Lake Grand-Lieu Trail, which is a 18.6 km (11.5 miles) moderate circular route.

What are some interesting places or landmarks to explore near the hiking trails?

The region offers several points of interest. You can visit the Lake Grand-Lieu, Pierre Aiguë site for scenic views, or explore the Le Port des Roches. The Lake path between Bouaye and Saint Aignan de Grand Lieu also offers picturesque sections.

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

The trails in Lac De Grand Lieu are highly rated by the komoot community, with an average score of 4.5 stars from over 550 reviews. Hikers often praise the expansive lake views, the tranquil marshland paths, and the gentle countryside trails that make the area accessible and enjoyable for various activity levels.

Are there any challenging hikes for experienced hikers?

While the region is known for its flat terrain, there are a few longer routes that offer more of a challenge due to their distance. There are 6 routes classified as difficult. These longer trails provide an opportunity for extended exploration of the lake's surroundings and marshlands.

Is it possible to access hiking trails around Lac De Grand Lieu using public transport?

Access to specific trailheads by public transport can be limited in rural areas like Lac De Grand Lieu. It's advisable to check local bus schedules for towns surrounding the lake, such as La Chevrolière or Saint-Aignan-Grandlieu, as some routes might have stops near trail access points. However, a car is often the most convenient way to reach many starting points.

Are there designated parking areas for hikers at the trailheads?

Yes, many of the popular trailheads and viewpoints around Lac De Grand Lieu, especially in towns like La Chevrolière or Saint-Aignan-Grandlieu, offer designated parking areas. These are typically well-marked and provide convenient access to the paths. It's always a good idea to check the specific tour details on komoot for parking information related to your chosen route.

Are dogs allowed on the hiking trails around Lac De Grand Lieu?

Generally, dogs are welcome on many of the hiking trails around Lac De Grand Lieu, especially on public footpaths. However, due to the area's importance for wildlife, particularly birds in the marshlands, it's crucial to keep dogs on a leash to protect the local fauna and respect other hikers. Always check local signage for any specific restrictions in nature reserves or protected areas.

What is the best time of year to go hiking in Lac De Grand Lieu?

The best time to hike around Lac De Grand Lieu is typically during spring (April to June) and autumn (September to October). During these seasons, the weather is generally mild, and the natural landscape is vibrant, with blooming flora in spring and beautiful colors in autumn. These periods also offer excellent opportunities for birdwatching as migratory species pass through.

Are there any routes that offer particularly good views of the lake?

Absolutely. Many routes are designed to showcase the vastness of Lac De Grand Lieu. The Lake Grand-Lieu – View of Lake Grand-Lieu loop from La Chevrolière is a popular choice, specifically providing scenic viewpoints over the lake. Another option is the View of Pierres Aiguës – Pleasant little pond loop from Saint-Aignan-Grandlieu, which offers glimpses of the lake and surrounding rural landscapes.

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