Best attractions and places to see around Saint-Mars-Du-Désert, located in Loire-Atlantique, France, offer a blend of historical architecture, religious heritage, and natural beauty. The town is situated between the Erdre Valley and the Loire Valley, providing diverse landscapes. Visitors can explore architectural treasures, significant religious sites, and natural features like the protected ornithological site of the Plain of Mazerolles. This region provides opportunities to experience local flora and fauna through marked hiking trails.
Last updated: July 6, 2026
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Nicknamed by Francis I "the most beautiful river in France", the Erdre is an affluent of the Loire that charms with its green landscapes, its banks dotted with prestigious castles, and its peaceful waters conducive to pleasure boating.
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After a few kilometers, stopping at this guinguette is a pure pleasure of relaxation
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Nestled along the Nantes-Brest Canal, the Écluse de la Tindière lodge welcomes hikers and cycle tourists looking for comfortable overnight stays in a relaxing setting. The rooms offer stunning views of the canal!
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This is lock number 3. Accommodation and catering available.
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An ancient fortress - the tower with its black and white stones can be seen from far away
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already a special tower - Château du Oudon - built in the Middle Ages - 1300-1400
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Saint-Mars-Du-Désert is rich in historical architecture. You can admire the 18th-century Château d'Yonnières, as well as the 19th-century Châteaux du Perray and Rimbertière. Other notable structures include the Places manor house, the 17th-century Valinière mansion, and historic mills like the 18th-century Grand Mill of Places and the Mill of the Cherry Orchard.
Yes, the region has a rich religious heritage. You can visit the Saint-Médard church, dating from the second half of the 19th century, which features a notable mural depicting the Flight into Egypt. There's also a 15th-century rectory, the 17th-century Chapel of St. John the Baptist, and the beautiful 19th-century Calvary of Patis Ménoret.
For nature lovers, Saint-Mars-Du-Désert offers access to the protected ornithological site of the Plain of Mazerolles, which spans 1,000 hectares and features bogs dating back to the fourth century. This area, known as Les Marais de Mazerolles, is a diverse habitat for various bird species. The town's location between the Erdre Valley and the Loire Valley also provides appealing natural landscapes.
Several attractions are suitable for families. The Sucé-sur-Erdre marina offers a pleasant waterfront area with restaurants and cafes, ideal for a picnic. The Mauves-sur-Loire Bridge is secured with dedicated cycle lanes, making it safe for family walks or bike rides. Additionally, Oudon Castle, a medieval keep, offers an engaging historical experience for all ages.
There are numerous cycling opportunities in the area. For road cycling, you can explore routes like the 'Marais de Saint Mars – Sucé sur Erdre bridge and port loop' or the 'Champtoceaux Switchbacks – Oudon Castle loop'. You can find more details and routes on the Road Cycling Routes around Saint-Mars-Du-Désert guide. For general cycling, consider the 'Pond of Parc du Charbonneau – Greenway' loop. Discover more options on the Cycling around Saint-Mars-Du-Désert guide.
Yes, mountain biking enthusiasts will find trails around Saint-Mars-Du-Désert. Routes include the 'Tunnel Under the Road – Oudon Keep loop' and the 'Launay loop'. For a comprehensive list and details, refer to the MTB Trails around Saint-Mars-Du-Désert guide.
Visitors appreciate the Sucé-sur-Erdre marina for its pleasant body of water bordered by cafes and restaurants, making it an ideal spot for a break or a picnic. It offers a peaceful riverside atmosphere and can accommodate up to 300 boats.
The Mauves-sur-Loire Bridge is an iron bridge spanning the Loire river that has been widened and secured with dedicated cycle lanes on both sides, making it perfectly safe for pedestrians and cyclists to cross and enjoy the views.
While specific accommodation and dining options are not detailed for every attraction, the Sucé-sur-Erdre marina is bordered by restaurants and cafes. Additionally, the Tindière Lock, located along the Nantes-Brest Canal, features a lodge and restaurant, welcoming hikers and cycle tourists for overnight stays in a relaxing setting.
Given the region's natural features and outdoor trails, spring and autumn generally offer pleasant weather for exploring. These seasons provide comfortable temperatures for hiking, cycling, and enjoying the ornithological site of the Plain of Mazerolles without the intense heat of summer or the chill of winter.
Yes, Oudon Castle offers impressive views of the river from its 14th-century keep. The general area, situated between the Erdre Valley and the Loire Valley, also provides appealing natural landscapes and scenic spots along marked hiking and cycling trails.
The Thouaré bridge is a beautiful and long bridge that allows passage from the North to the South Loire. While it's considered a significant structure, visitors note that while relatively safe, it could benefit from more dedicated lanes for cyclists.


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