Dolmen de Coët-er-Rui
MonumentHidden Treasure
Dolmen de Coët-er-Rui, located in Saint-Allouestre (Département 56), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Saint-Allouestre, Département 56, Bretagne
- Visit
- Closed to visitors
- GPS
- 47.9009, -2.7254
- Mérimée Reference
- PA00091657
A Neolithic vestige from the Morbihan region, the Coët-er-Rui dolmen has stood with its granite orthostats in the Breton bocage for over 5,000 years, a silent testimony to the burial rites of the first Armorican farmers.
History
Hidden away in the bucolic landscape of Saint-Allouestre, in the heart of inland Morbihan, the dolmen of Coët-er-Rui belong to the constellation of megaliths that has made Brittany the leading megalithic region in Europe. Its Breton name, evocative of the forests and watercourses that mark this region, reminds us that these monuments were never just randomly popping up in the landscape: their builders chose nodal points in the territory, at the confluence of transhumance routes, springs and newly-cleared arable land. Like its Morbihan counterparts, the dolmen consists of a funerary chamber covered by one or more covering slabs set on vertical posts driven into the earth. Originally, the whole structure lay under a mound of earth and dry stone that concealed it completely, forming a mound visible from afar in the open landscape of the Neolithic period. Today, the monument's mineral skeleton has been stripped of its earthen mantle by erosion and the passage of time, revealing all the geometric rigour of its design. To visit Coët-er-Rui is to immerse yourself in one of the most enigmatic pages of Breton prehistory. Curious visitors should take the time to walk around the monument to appreciate its spatial logic: the orientation of the chamber, often aligned with the solstice sunrises, reveals an astronomical knowledge that it would be a mistake to underestimate. The play of light at dawn, when the first raking rays highlight the grain of the local granite, creates a spectacle of austere beauty. The leafy setting of Saint-Allouestre amplifies the impression of travelling back in time. Far from the tourist hustle and bustle of Carnac or Locmariaquer, this dolmen offers an intimate encounter with Breton megalithism, far from the crowds, in the silence of a bocage dotted with oak trees and hedgerows. An ideal stop-off point for those travelling through the Morbihan hinterland in search of the stone sentinels our ancestors planted in the earth over fifty centuries ago.
Architecture
The Coët-er-Rui dolmen belong to the large family of single-chamber dolmens, an architectural type widespread in inland Morbihan and distinguished from the large corridor dolmens of the coast by its more compact design. The burial chamber is delimited by several orthostats - vertically upright slabs - made of local granite, a rock that is omnipresent in the Armorican subsoil and remarkable for its resistance to erosion over thousands of years. One or more horizontal covering slabs, which could weigh more than five tonnes, crown the whole to form the enclosed space characteristic of the dolmen. The blocks used have the grainy, slightly pink surface typical of granite from the Morbihan hinterland, scattered with grey and ochre lichens that accentuate the impression of age. The inside faces of the uprights sometimes bear traces of polishing or intentional finishing, indicating the care taken to finish the burial space. The general orientation of the chamber probably follows an east-west axis, in line with the canons of Armorican megalithic architecture, which favoured alignment with the sunrises of the equinoxes and solstices. The monument was initially encased in an earthen cairn or tumulus, an external structure that has now largely disappeared, giving it a visible tumular silhouette in the open landscape of the Neolithic period. The disappearance of this mantle has exposed the stone framework, altering our perception of the original monument but revealing the geometric precision of its assembly, over five millennia old.
Related Figures
Prosper Mérimée — inspecteur général des Monuments historiques, pionnier du recensement et de la protection des mégalithes bretons au XIXe siècleZacharie Le Rouzic — archéologue et conservateur du musée de Préhistoire de Carnac, auteur du premier inventaire systématique des mégalithes du MorbihanAlexandre Bertrand — fondateur du musée des Antiquités nationales de Saint-Germain-en-Laye, figure clé de la reconnaissance scientifique du mégalithisme armoricainJacques de Morgan — préhistorien français ayant contribué à l'étude des monuments funéraires néolithiques de Bretagne au tournant du XXe siècleCommunautés néolithiques du Morbihan intérieur — bâtisseurs anonymes du Ve-IVe millénaire avant J.-C., premiers agriculteurs-éleveurs de l'Armorique
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Frequently Asked Questions
Where is Dolmen de Coët-er-Rui located?
Dolmen de Coët-er-Rui is located in Saint-Allouestre, Département 56 department, Bretagne region, France.
Is Dolmen de Coët-er-Rui open to visitors?
Dolmen de Coët-er-Rui is currently closed to visitors.