Best natural monuments around Les Sorinières include ancient megalithic structures and serene natural areas. The region features significant prehistoric sites, such as menhirs, offering a glimpse into Neolithic history. Additionally, the landscape provides tranquil lakes and scenic viewpoints for outdoor exploration. These diverse natural monuments offer a range of experiences for visitors.
Last updated: May 21, 2026
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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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Magnificent view of the lake 👌
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Park overlooking the extraordinary garden with a clear view of Nantes, the Loire and the west of the island of Nantes. There are children's play areas, a belvedere, sports fields, lawns, beautiful trees and a surprising statue.
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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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Well preserved, but not ideally placed by the side of the road.
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At the end of a long straight line on which you can test your speed is one of the most beautiful spots to admire the Goulaine marsh.
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Located in a beautiful natural site, this pond, in fact an old quarry filled with water, is open for swimming. Be careful, beyond the buoys, the pond becomes very deep and therefore dangerous. It is therefore necessary to supervise the children. There are also children's games, picnic tables and a bicross field on site. NB: entry is payable in summer (with supervised swimming). Apart from the road, several options of paths to get there or from there: The Chemin des Foulques allows you to continue along the slopes towards La Montagne, for fairly committed cycling and passages that will require you to dismount. The path of the Estacade which goes towards the Loire (cul-de-sac) offers several observation posts of the wetlands and their avian fauna. The Chemin de la Mandrine links with the Port Lavigne shipyard and the statues of animals perched in the trees. Finally, the Chemin de la Sangle goes towards Bouguenais. Nice, but you have to climb a long and steep staircase, so not at all compatible with heavy bikes or panniers.
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It is always impressive to come across this vestige of prehistory!
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Les Sorinières is home to fascinating ancient megalithic structures. You can visit the Menhir de la Haute Lande, a substantial Neolithic quartzite menhir weighing between 15 and 20 tonnes, inscribed as a historical monument in 1960. Another notable site is the Menhir des Faux, also known as "la Pierre des Faux," which features a unique blend of prehistoric monument and religious additions like a cross and statuette. These sites offer a tangible link to the Neolithic period and insight into ancient beliefs.
Yes, for tranquil outdoor experiences, consider a loop around Touffou Pond, which offers an easy walk of about 5 km. Another option is the Beautiful Pine Forest, featuring a pontoon and lake, with a scenic hiking route of approximately 6.4 km. Both provide accessible opportunities to enjoy the local landscape.
For panoramic views, visit Lake Grand-Lieu, Pierre Aiguë site, which offers expansive vistas and includes a bird observatory. Another excellent spot is Square Maurice Schwob, a park providing clear views of Nantes and the Loire. The Jardin Extraordinaire and Misèry Quarry also offers exceptional panoramas overlooking the extraordinary garden, the Loire, and the island of Nantes.
The area around Les Sorinières offers a variety of outdoor activities. You can find numerous routes for hiking, road cycling, and mountain biking. For example, there are easy hiking loops like the "Beautiful Pine Forest – Pontoon and lake in the forest loop" (6.4 km) or the "Touffou Pond loop" (5 km). Cyclists can explore routes such as the "Roadbike loop from La Haute Lande" (36.9 km) or the "Grand-Lieu Lake Observatory – Picture frame by Emmanuel Ritz loop" (43.2 km). Mountain bikers have options like the "Tour of Lake Grand Lieu – Saint-Rachoux footbridge loop" (69.1 km). You can find more details on these activities in the hiking, road cycling, and MTB guides around Les Sorinières.
Absolutely! Several natural monuments are great for families. Etang de Roche Ballue, an old quarry now a lake, is open for swimming in summer and features children's games and picnic tables. Lake Grand-Lieu, Pierre Aiguë site is also family-friendly, offering panoramic views and a bird observatory. Square Maurice Schwob provides children's play areas, and the Jardin Extraordinaire and Misèry Quarry is a unique park with free entry.
The natural monuments are generally enjoyable year-round. However, if you plan to visit Lake Grand-Lieu, Pierre Aiguë site, it's best to avoid winter, as the lake can double in size, potentially affecting accessibility or views. For swimming at Etang de Roche Ballue, summer is ideal when it's open for supervised swimming.
Yes, the Menhir de la Haute Lande is noted as being wheelchair accessible, allowing more visitors to experience this impressive prehistoric site.
Visitors appreciate the diverse experiences offered, from the historical significance of the ancient megalithic structures to the tranquil beauty of the lakes and forests. The panoramic views from sites like Lake Grand-Lieu, Pierre Aiguë site and Square Maurice Schwob are highly rated. Many also enjoy the opportunity for swimming and picnicking at places like Etang de Roche Ballue, especially during warmer months.
Yes, Etang de Roche Ballue, a lake formed from an old quarry, is open for swimming during the summer months. It's important to note that entry may be payable in summer when swimming is supervised. Beyond the buoys, the pond becomes very deep, so supervision of children is essential.
Yes, for shorter and easier walks, the loop around Touffou Pond is approximately 5 km and takes about 1 hour and 17 minutes with minimal elevation. The Beautiful Pine Forest also offers an accessible route of about 6.4 km, taking around 1 hour and 39 minutes. These are ideal for a relaxed outdoor experience.
While specific wildlife details are not extensively documented for all sites, areas like Lake Grand-Lieu, Pierre Aiguë site are known for their bird observatories, indicating a rich avian fauna. Wetlands near Etang de Roche Ballue also offer observation posts for birds.
Yes, Etang de Roche Ballue is equipped with picnic tables, making it a great spot for a family outing. Square Maurice Schwob also features lawns suitable for relaxation.


Extend your search for the best caves by checking out these guides of the top ones around Les Sorinières: