Best natural monuments around Ploemel include a variety of ancient megalithic sites and diverse natural landscapes. Located in Brittany, France, the region features significant prehistoric monuments and scenic coastal areas. These sites offer insights into ancient human history and opportunities to explore unique natural environments. The area is characterized by its blend of historical significance and natural beauty.
Last updated: June 18, 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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While cycling through the countryside, be sure to visit the Alignements de Sainte-Barbe. These impressive megalithic stones, arranged in a particular alignment, are a fascinating historical site dating back thousands of years. Situated in a peaceful rural setting, the stones are easily accessible by quiet cycle paths, and the surrounding landscape adds to the charm.
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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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The stone rows of Sainte-Barbe are located at the northeastern exit of the town. Dozens of stones stand or lie in several rows, the largest around 5 meters high. A calm place worth seeing.
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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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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 around Ploemel is rich in ancient megalithic sites and diverse natural landscapes. Key highlights include the impressive Alignments of Ménec, part of the world's largest megalithic complex, and the nearby Kermario Stone Alignments. You can also see the towering Géant du Manio Menhir, one of the largest standing stones in the Carnac area.
Beyond the ancient stones, Ploemel offers diverse natural beauty. You can explore the lush
Forest of Camors
with its walking and biking paths, or visit the picturesqueSaint-Cado island
in the Étel River. TheQuiberon Peninsula Beaches
offer stunning coastlines for relaxation and water sports, and theGolfe du Morbihan
provides a unique maritime landscape perfect for boating and birdwatching.The megalithic sites around Ploemel, such as the Carnac Alignments and the Giant Dolmen of Crucuno, offer a profound glimpse into the Neolithic period, dating back 7,000 to 4,500 years BC. These sites, including dolmens and menhirs, are testaments to early human culture and engineering, showcasing how ancient communities interacted with their natural landscape and organized monumental structures.
Yes, in addition to the Carnac Alignments, you can visit the Giant Dolmen of Crucuno, a significant historical site that once had a long corridor. Another notable site is the Alignments of Sainte-Barbe, located northeast of the town, featuring dozens of stones in several rows. The
Mané Bogad Dolmen
, a Historic Monument since 1931, also provides insight into prehistoric human interaction with the natural landscape.The area around Ploemel offers a variety of outdoor activities. You can enjoy hiking and biking in the
Forest of Camors
, explore coastal trails on theQuiberon Peninsula
, or go boating and birdwatching in theGolfe du Morbihan
. For those seeking more adventure, the Forest of Camors also features adventure parks with treetop courses and zip lines.Yes, there are several routes designed to explore the natural monuments and surrounding areas. For cycling, you can find routes like the "Carnac Alignments – Menhir The Giant of Manio loop" or the "Carnac Alignments – Anse du Pô loop." For mountain biking, consider routes such as "Mané Bras Dolmens – Château de Keravéon loop." You can find more details on these and other routes in the Cycling around Ploemel, MTB Trails around Ploemel, and Gravel biking around Ploemel guides.
For water-based activities and coastal exploration, head to the
Quiberon Peninsula
, known for its stunning beaches perfect for relaxing or surfing. TheGolfe du Morbihan
is ideal for boating and enjoying the unique maritime landscape. Additionally, the picturesqueSaint-Cado island
offers tranquil views of the Étel River.Many natural monuments around Ploemel are family-friendly. The megalithic sites like the Alignments of Ménec, Kermario Stone Alignments, and Géant du Manio Menhir offer engaging historical exploration. The
Forest of Camors
also provides adventure parks with treetop courses and zip lines, making it a great option for active families.Many outdoor natural attractions and trails in the Ploemel area, such as the
Forest of Camors
and coastal paths, are generally dog-friendly, especially if dogs are kept on a leash. However, specific rules may apply to certain protected historical sites or beaches, so it's always best to check local signage or specific site regulations before your visit.The best time to visit the natural monuments around Ploemel is typically during the spring (April to June) and early autumn (September to October). During these periods, the weather is generally mild and pleasant for outdoor activities, and the sites are less crowded than in the peak summer months. Summer (July and August) is also popular, but can be busier.
To fully appreciate the major megalithic sites like the Carnac Alignments (including Ménec, Kermario, and Manio), you should plan at least half a day, or even a full day if you wish to explore multiple alignments and the visitor center. For other natural attractions like the
Forest of Camors
or theQuiberon Peninsula
, you could easily spend several hours to a full day enjoying the trails and scenery.Visitors particularly enjoy the unique historical significance of the megalithic sites, often describing them as a journey into an ancient world. The sheer scale of sites like the Alignments of Ménec is very impressive. Beyond history, the diverse natural beauty, from lush forests to stunning coastlines, and the opportunities for various outdoor activities like hiking and cycling, are highly appreciated by the komoot community.


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