Best attractions and places to see around Lalleu include a variety of natural and historical sites. Located in the Brittany region of France, Lalleu is characterized by its natural setting, bordered by the stream de la Couyère and the Semnon river. The area offers opportunities for hiking and exploring, with 6 notable attractions waiting to be discovered.
Last updated: July 1, 2026
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With nearly 20 meters long, 6 meters wide, and 4 meters high, the Roche-aux-Fées remains the largest dolmen in France and one of the best-preserved in Europe. It is composed of a schist-covered passage formed by four chambers whose meaning has not yet been revealed. Although the construction of this monument dates back to the Neolithic period, around 2000 BC, specialists remain perplexed about its construction method. The site is impressive. And when you know that some stones weighing over 40 tons come from several kilometers around, you wonder how the inhabitants of the time managed to move them there. Such a site could only inspire stories, legends, and beliefs. One of them tells that the fairy Viviane, aided by fellow fairies, would have built this imposing monument... in one night. Another concerns lovers: to know if their union will last, couples must walk around the Roche-aux-fées, each in a different direction, and count the stones. If they find the same number of stones, their future will be bright! Through a mysterious alignment during the winter solstice on December 21st or 22nd, the sun rises facing the entrance of the dolmen. At that moment, the light rays magically illuminate the stone located at the back of the covered passage. Access is free and open. The small surrounding roads are charming and quiet.
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Short video of the site: https://www.youtube.com/watch?v=bqEBsKL7P7s
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Located in Teillay, this museum traces the history of coal mining, which marked the region from the 19th to the 20th century. Located on a former mining site, it presents machinery and miners' testimonies.
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This greenway was built on the old railway line which linked Châteaubriant to Ploërmel. In its heyday at the start of the last century, trains were essentially freight trains that transported iron mined in the region.
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Historic site of Châteaubriant-Ploërmel. Educational panel explaining its past and current history.
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The rock of the fairies, French: Roche-aux-fées, located in the middle of green nature, is simply enchanting. If you are interested in megaliths, you should take a break here. The undisputed largest dolmen in France is also closely linked to the legend of the fairy Liliane. The construction of this monument undoubtedly dates back to the Neolithic period, i.e. around 2,000 years before our time. So far, researchers have not found an explanation for exactly how it was built. With its 19.50 meters length, six meters width and four meters height, the structure is more than impressive. And when you consider that some of the stones, which weigh more than 40 tons, come from several kilometers away, you can rightly ask yourself how the people of that time managed to transport them here. This mystery gave rise to a legend: it is said that the impressive structure was built by Viviane and her fairy friends.
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Very sloping single (-10% and more) To do only by mountain bike! The rest will struggle to come down
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Truly magical and impressive. It's hard to believe what people can achieve with simple means...
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The area around Lalleu offers a mix of historical, natural, and activity-based attractions. You can explore ancient megalithic structures like La Roche-aux-Fées Dolmen, enjoy dedicated cycling paths such as the Greenway from Châteaubriant to Rougé, or visit historical sites like the Musée des Mines de la Brutz.
Yes, Lalleu is rich in history. A prominent historical site is La Roche-aux-Fées Dolmen, the largest dolmen in France, dating back to the Neolithic period. You can also visit the Musée des Mines de la Brutz in Teillay, which details the region's coal mining history, and the Pont de la Noë, an historic site with an educational panel.
The Lalleu area is excellent for outdoor enthusiasts. You can enjoy cycling on the Greenway from Châteaubriant to Rougé, which is built on an old railway line. For mountain biking, there are challenging trails like the Steep Mountain Bike Descent. Additionally, komoot offers various routes for cycling, mountain biking, and running in the vicinity.
Yes, several attractions cater to families. The La Roche-aux-Fées Dolmen is a fascinating historical site that can spark curiosity in all ages. The Greenway from Châteaubriant to Rougé offers a safe and shaded path perfect for family bike rides or rollerblading.
Visitors frequently praise the enchanting and impressive nature of La Roche-aux-Fées Dolmen, often noting its mysterious construction. The Greenway from Châteaubriant to Rougé is appreciated for being a beautiful, well-shaded cycle path suitable for summer and protective in winter. The Steep Mountain Bike Descent is enjoyed for its good grip and engaging challenge.
Absolutely. The Greenway from Châteaubriant to Rougé is a popular cycle path built on an old railway line, offering a pleasant, shaded route. For mountain bikers, the Steep Mountain Bike Descent provides a challenging ride. You can find many more routes for cycling and mountain biking in the area.
While Lalleu itself is known for its natural setting with the stream de la Couyère and the Semnon river, the most notable natural monument is the La Roche-aux-Fées Dolmen, which is set amidst green nature. The broader Brittany region also features natural beauty spots such as the Vallée du Canut, Forêt de Chevré, Étang de la Cantache, Étang de la Valière, and the Forêt de Rennes.
Beyond Lalleu, several charming towns in Brittany offer more to explore. These include Chateaugiron with its castle, Langon featuring an ancient chapel, Rennes with its picturesque medieval center, and Vitre known for its superb historic center. Redon offers an active port and old town, while Paimpont is famous for its 'magical forest'.
The region's greenways and trails are generally enjoyable throughout the year. The Greenway from Châteaubriant to Rougé is noted for being well-shaded in summer and offering protection from rain in winter, suggesting it's suitable for various seasons. For specific weather conditions, it's always best to check a local forecast closer to your visit.
Yes, the Musée des Mines de la Brutz in Teillay is a significant cultural site, preserving the history of coal mining in the region. It's located on a former mining site and showcases machinery and testimonies from miners.
Yes, there are several running routes available. For example, you can find routes like the 'Étang de la Moncelière loop from Tresbœuf' or a 'Running loop from Ercé-en-Lamée'. You can explore more options in the dedicated Running Trails around Lalleu guide.


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