Best attractions and places to see around Lassy, located in Ille-et-Vilaine, France, include natural areas and historical sites. The region is characterized by the scenic Vallée du Canut, a protected natural space known for its diverse landscapes of moors, woods, and meadows. Visitors can explore historical mills and river features along the Vilaine, offering opportunities for walks and cycling. This area provides a variety of attractions for those interested in nature and local heritage.
Last updated: May 4, 2026
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Hello everyone, The bridge has been dismantled for two years, undergoing repairs in the navigation workshops. I hope to see it again one day.
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Well done to Alain who is renovating this mill
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Cicé lock in Bruz. Possibility of crossing the Vilaine on foot or by bike.
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Located in the Municipality of Saint-Thurial, 22 kilometers southwest of Rennes, the Chèze dam is a class A dam built between 1973 and 1975 by the City of Rennes, to secure the drinking water supply of the Rennes basin. (www.eaudubassinrennais-collectivite.fr)
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Many centuries ago, our ancestors discovered the possibility of harnessing the power of the elements - which on the one hand could be helpful and useful, but on the other hand could also be a threat as untamed forces of nature - for various purposes and thus be able to do without human or animal muscle power. Mills like these are a good example of the human engineering skills of earlier generations: the heavy millstones used to grind grain into corn or press oil, for example, could be powered by the wind or - as here - water.
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view of the vilaine and the mill of the boel
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Lassy is renowned for the Vallée du Canut, a protected natural area featuring diverse landscapes of moors, woods, and meadows. It's an ideal spot for walks and fresh air, home to rare flora and fauna. You can find more information about this exceptional natural space at Ille-et-Vilaine Tourisme. Additionally, the Chèze Dam offers a large water reservoir with opportunities for walking and cycling around the lake.
Yes, Lassy boasts several historical sites. The 12th-century Boël Mill is an emblematic site of the Vilaine valley. You can also visit the Moulin de la Bouëxière, which dates back to 1471. The Moulin du Ritoir, located by the Canut River, has been transformed into the 'Maison des Énergies' with exhibitions on energy history. Other sites include the 16th-17th century Eglise Saint-Martin and the remains of an ancient Motte féodale de Lassy.
The area around Lassy is perfect for outdoor enthusiasts. You can enjoy hiking, cycling, and mountain biking along the Vilaine towpath and through the Vallée du Canut. The Boël Mill is a popular starting point for walks and bike rides, and kayaking or canoeing on the river is also possible. For specific routes, explore the MTB Trails around Lassy, Gravel biking around Lassy, and Cycling around Lassy guides.
Absolutely! Many attractions are suitable for families. The Boël Mill offers picnic tables and the spectacle of boats passing through the lock, which is fun for all ages. The Moulin du Ritoir, with its 'Maison des Énergies' and a themed energy trail, provides an educational and engaging experience. The drawbridge at the Cicé lock and Pont-Réan are also great spots for walks and enjoying the river scenery with children.
Lassy offers numerous hiking opportunities, especially within the Vallée du Canut, which has marked trails, including a 2.7-kilometer path highlighting key features. The area around Boël Mill is a hub for hiking, with trails leading along the towpath and into nearby woods. You can also find the GR39 trail, which leads from Mont-Saint-Michel to Guérande, along the DGA site fence. For detailed routes, check the MTB Trails around Lassy guide, which includes routes like 'Le Canut – a breathtaking view loop from Lassy'.
The Vallée du Canut is particularly ideal for 'summer refreshment,' suggesting that warmer months are excellent for enjoying its natural beauty and outdoor activities like walking and hiking. The pleasant weather allows for comfortable exploration of the trails and river-side attractions.
Yes, the Vallée du Canut is a rich habitat for wildlife. It's home to about a hundred rare species, including 54 species of butterflies, various plant species, and several bird species such as the Dartford warbler, Montagu's harrier, kingfisher, and black woodpecker. You might also encounter newts, tree frogs, toads, and 13 protected mammal species, including 8 types of bats.
The region is characterized by its river features. Pont-Réan is a key bridge spanning the Vilaine river, connecting Guichen and Bruz. Another notable feature is The drawbridge at the Cicé lock, which allows passage across the Cicé lock and connects to Chavagne from the Vilaine towpath. These bridges are integral to the local landscape and offer scenic views.
Near Boël Mill, you can find a restaurant, the Marin Boël, and a creperie. Pont-Réan offers a bakery, restaurant, butcher, and a water point in the immediate vicinity, making it a convenient stop during your exploration.
Lassy is known for hosting the Art2Rues festival, a free live performance festival. This event adds a vibrant cultural dimension to the commune, offering entertainment and artistic experiences to visitors and locals alike.
Beyond the main highlights, the Moulin du Ritoir, with its 'Maison des Énergies' and themed trail, offers a unique blend of history and education. The entire Vallée du Canut, while recognized, still holds many quiet corners and specific trails that feel like hidden gems, allowing for peaceful exploration away from more crowded spots.


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