Cairn à trois dolmens
MonumentHidden Treasure
Cairn à trois dolmens, located in Pléneuf-Val-André (Département 22), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Pléneuf-Val-André, Département 22, Bretagne
- Visit
- Closed to visitors
- GPS
- 48.5965, -2.5435
- Mérimée Reference
- PA00089416
A stone sentinel over the Armorican lands for 5,000 years, this cairn with three dolmens at Pléneuf-Val-André is one of the most complete megalithic complexes in the Côtes-d'Armor.
History
Emerging from the Breton bocage just a stone's throw from the sea, the three-dolmen cairn at Pléneuf-Val-André is much more than a simple pile of stones: it is a funerary monument of rare architectural coherence, erected by Neolithic communities who mastered the art of collective memory. Its uniqueness lies in the presence of three separate burial chambers integrated into a single mass of dry stone - a feature found only in a few Breton cairns of the same calibre, such as those at Barnenez in Finistère and Gavrinis in Morbihan. The visit immediately reveals the power of the site. The elongated tumulus discreetly dominates the surrounding landscape, offering an unobstructed view of the hills and valleys of the coastal hinterland from its summit. The care taken in choosing the site is immediately apparent: Neolithic builders chose their sites with a precision that still defies our archaeological certainties today. Each of the three dolmens that make up the cairn has its own entrance, oriented along astronomical or symbolic axes, the exact meaning of which is still debated. Corridors of local granite slabs lead to sepulchral chambers where the bones of the deceased once rested, sometimes accompanied by ceramic objects or polished flint tools. The silence that reigns in these confined spaces is striking - a silence that dates back five millennia. The natural setting of Pléneuf-Val-André amplifies the emotion of the site. Just a few kilometres from the coast of the Bay of Saint-Brieuc, between open moorland and sunken lanes, the monument is part of an unspoilt Breton landscape. Photographers will appreciate the low-angled morning light, which sculpts the granite masses with dramatic precision. Families and prehistory enthusiasts will find this an ideal introduction to the megalithic civilisations of the Armorican region, often overshadowed by their neighbours in Finistère and Morbihan.
Architecture
The three-dolmen cairn at Pléneuf-Val-André belongs to the large family of monuments with multiple corridors, characteristic of the Atlantic Neolithic. Its structure is based on a simple but demanding principle: a mantle of dry stone, the cairn itself, envelops and consolidates several burial chambers, each accessed via a narrow corridor made up of large upright slabs. The entire structure is built from local granite, a material abundant in Brittany, chosen for its strength and ability to be worked into large, regular slabs. The mass of the cairn, which is roughly trapezoidal or sub-rectangular in shape like most of its Armorican counterparts, must originally have had carefully dressed facings, some of whose courses are still visible despite the erosion of the centuries. The three inner dolmens are distributed along the main axis of the monument, each with a polygonal chamber covered by one or more corbelled or flat roof slabs. The access corridors, just a few metres long, are low enough to require a curved, even crawling posture - a constraint that, according to some prehistorians, is part of the rite of passage between the world of the living and that of the dead. The dimensions of the monument, although precise in their original layout, have been partially masked by sedimentary deposits. The length of the cairn can be estimated at between 25 and 40 metres, with a width of between 10 and 15 metres - proportions consistent with the multiple-corridor cairns of northern Brittany. As a whole, it bears witness to a mastery of architecture based on the experience of generations of builders capable of handling blocks weighing several tonnes with no tools other than wood, rope and human strength.
Related Figures
Bâtisseurs néolithiques de la culture mégalithique armoricaine (env. 4500-3500 av. J.-C.)Prosper Mérimée — inspecteur des Monuments Historiques, pionnier de la protection du patrimoine mégalithique françaisPaul du Châtellier — archéologue breton du XIXe siècle, recenseur infatigable des mégalithes des Côtes-du-NordZacharie Le Rouzic — archéologue et conservateur du musée de Préhistoire de Carnac, dont les travaux ont éclairé la compréhension des cairns à couloirs bretons
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Frequently Asked Questions
Where is Cairn à trois dolmens located?
Cairn à trois dolmens is located in Pléneuf-Val-André, Département 22 department, Bretagne region, France.
Is Cairn à trois dolmens open to visitors?
Cairn à trois dolmens is currently closed to visitors.