Best natural monuments around Auray include a rich blend of riverine scenery, dramatic coastlines, and ancient megalithic sites. Situated near the Gulf of Morbihan, the region offers diverse environments for exploration. Visitors can discover picturesque waterways, coastal paths, and historically significant prehistoric monuments. These natural features provide a unique insight into Brittany's landscape and heritage.
Last updated: August 26, 2026
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The dolmen stands in the middle of the village, close to a house. It once had a long passage and measured 27 meters in length. The cover plate weighs approximately 40 tons. For a long time, it served as a barn.
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Walking through the woods of Erdeven, one can find among the trees a set of megaliths among which is the one called Caesar's Chair. It owes its name to the occupation of the place by Roman troops in Antiquity, even if Caesar never came here.
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The two comic book heroes Asterix and Obelix, who are very popular not only in France, discover Brittany and the huge stone rows from ancient times that can be found there on their very own "Tour de France" (under the title "Le Tour de Gaule", volume 5 of the French edition, but volume 6 in the German edition). The explanation given to the two travellers for the origin of the megalithic culture is, however, too simple: people say that the soil is so bad that only stones grow there; this can be read in the comic.
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The Alignement de Kermario may not have the most megaliths, but it does have the largest and most impressive ones. All megalithic fields are fenced off, but a beautifully laid out and well-signposted circular path opens up and connects the megalithic fields and allows you to see the stone witnesses of history from the path. Don't forget that it doesn't cost a cent to walk the paths.
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This dolmen would have long served as a stable. It is made up of nine pillars and the covering slab weighs more than 40 tonnes. Access to the dolmen was formerly via a long corridor of 27 meters which no longer exists.
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you have to have some imagination to find Caesar's chair there
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a beautiful dolmen but a pity that there is a house right next to it
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These are the Alignments (rows of stones) de Kermario.
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The region is renowned for its ancient megalithic sites. Key examples include the Alignments of Ménec, which features over 1000 menhirs in 11 straight stone rows, making it the world's largest megalithic complex of its kind. Nearby, you can also explore the Kermario Stone Alignments and the impressive Géant du Manio Menhir, a 6.5-meter-high standing stone.
Yes, many of the megalithic sites are suitable for families. The Alignments of Ménec, Kermario Stone Alignments, Géant du Manio Menhir, and the Giant Dolmen of Crucuno are all categorized as family-friendly. These sites offer open spaces for exploration and a chance to learn about ancient history.
The Auray region offers diverse outdoor activities. You can enjoy hiking along the river estuaries or coastal paths, cycling, and mountain biking. For example, there are numerous routes like the 'Old Bono suspension bridge – The Old Suspension Bridge of Bono loop' for cycling, or the 'The Old Suspension Bridge of Bono – Le Bono Marine Cemetery loop' for hiking. You can find more details on routes in the Hiking around Auray, Cycling around Auray, and MTB Trails around Auray guides.
The region's natural monuments, especially the outdoor megalithic sites and coastal paths, are best enjoyed during spring, summer, and early autumn when the weather is milder and more conducive to exploration. These seasons offer pleasant conditions for hiking, cycling, and boat tours in the Gulf of Morbihan.
Beyond the ancient stones, the Auray region is characterized by its picturesque riverine scenery, particularly along the Auray and Bono Rivers, which flow into the Gulf of Morbihan. You'll find serene waterways, small creeks, and bocage landscapes. The Gulf itself is an inland sea with numerous islands, offering breathtaking coastal views and diverse marine environments.
While specific rules may vary by site, many outdoor natural areas and trails in Brittany are dog-friendly, especially if dogs are kept on a leash. It's advisable to check local signage at individual sites like the Carnac alignments for any specific restrictions. The hiking trails along the Auray and Bono Rivers are generally suitable for walks with dogs.
Visiting the main megalithic sites like the Carnac Alignments (including Ménec, Kermario, and Kerlescan) can take a few hours to a full day, depending on how much you wish to explore. The Alignments of Ménec alone stretch for over a kilometer. Allow extra time if you plan to visit the Maison des Mégalithes visitor center or other nearby sites like the Giant Dolmen of Crucuno.
While many natural sites involve walking on uneven terrain, some areas of the megalithic sites, particularly around visitor centers like the Maison des Mégalithes near Carnac, may offer more accessible pathways. For river and coastal views, boat tours in the Gulf of Morbihan can provide an accessible way to experience the natural beauty. It's recommended to check specific site conditions for detailed accessibility information.
The megalithic sites, such as the Alignments of Ménec and the Giant Dolmen of Crucuno, are profoundly significant. Dating back to the Neolithic period (around 5th millennium BC), they offer a unique testimony to the life, beliefs, and sophisticated engineering of prehistoric humans. These thousands of standing stones and dolmens provide insights into ancient civilizations and their connection to the landscape.
Absolutely. The Auray and Bono Rivers, and especially the Gulf of Morbihan, are ideal for water activities. You can enjoy sailing, kayaking, or paddleboarding along the Loc'h River, exploring its flora and fauna. The Gulf of Morbihan offers boat tours to its many islands, such as Île aux Moines and Île d'Arz, providing a unique perspective on the region's natural beauty.
The Gulf of Morbihan is a stunning inland sea dotted with numerous islands, renowned for its diverse coastal paths and unique blend of riverine and coastal scenery. It offers breathtaking views and a rich ecosystem. Île aux Moines, one of its largest islands, is particularly celebrated for its charm and authenticity, making it a must-visit for nature lovers.
While the Carnac alignments are well-known, exploring the smaller, less crowded megalithic sites like the Giant Dolmen of Crucuno, nestled in a hamlet, can offer a more intimate experience. Additionally, venturing off the main paths along the Auray and Bono Rivers can reveal serene, picturesque spots and small creeks away from the crowds.


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