The Carnac Stones are the world's largest concentration of prehistoric standing stones (menhirs), in Morbihan in southern Brittany, France, where more than 3,000 Neolithic stones stand in long rows across roughly 4 km in three main groups: Ménec, Kermario and Kerlescan. In July 2025 they were inscribed on the UNESCO World Heritage List as the 'Megaliths of Carnac and of the shores of Morbihan', bringing renewed global attention. For conservation, in high season (April–September) you can only enter the alignment fields on a paid guided tour, while in winter parts of the site are freely accessible. Start at the Maison des Mégalithes interpretation centre opposite the Ménec rows to grasp the layout and the enduring mystery before you set out on foot.
Ménec alignments: the flagship group of over 1,000 menhirs set in 11 rows, directly across from the visitor centre.
Kermario alignments: the most impressive stretch, with tall stones and even a dolmen (chambered tomb) to see.
Kerlescan alignments: a quieter western group edged by a stone enclosure (cromlech), good for crowd-free photos.
Saint-Michel Tumulus: a large Neolithic burial mound near the village with a viewpoint over the Carnac landscape.
Museum of Prehistory (Musée de Préhistoire): indoor exhibits of excavated finds that make sense of the megalithic culture before or after the fields.
Good to know
RulesIn high season (April–September) you cannot wander freely among the stones; a paid guided tour is required. Capacity is limited, so book online via the official monuments-nationaux site (no phone booking), and always confirm current prices and times before your visit.
MannersDo not climb on or touch the menhirs; stay on the marked paths and boardwalks. Both the stones and the surrounding heathland are a protected Neolithic and World Heritage site.
SafetyThe site is spread over about 4 km on uneven, often muddy grassy ground, so wear comfortable closed shoes. Travel between the three groups on foot, by bike or by car; pushchairs are impractical.
SeasonSummer (July–August) is hot, crowded and nearly shadeless, and tours sell out early. May–June and September offer the mildest weather and lighter crowds; winter is free to enter but has short hours and frequent wind and rain.
CautionBuy tickets only on-site at the Maison des Mégalithes or through the official Centre des Monuments Nationaux (monuments-nationaux) channels. Beware third-party resellers charging inflated prices for a normally low-cost or free site.
RulesGuided tours are given mainly in French, with English, German and Spanish added in high season (no Korean or Japanese). If language is a concern, lean on the interpretation centre's multimedia displays, maps and brochures.
Practical info
The site is in Morbihan in southern Brittany; the nearest train station is Auray (about 13 km) followed by bus or taxi, and it is roughly a 35-minute drive from Vannes. The Maison des Mégalithes visitor centre is free and open year-round (closed 1 Jan, 1 May, 25 Dec) with paid parking, while guided-tour tickets, opening hours and prices should be confirmed on the official website for the latest information.
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