Timeline

Heritage classified

Origin and history

The dolmens of Coëtby (or Coëby) form a group of nine dolmens located in the municipality of Tredion, Morbihan. These megalithic monuments are located in the immediate vicinity of the RD766 departmental road in the Coëby State Forest. Their location specifies the square at the boundary of the communes of Le Cours and Saint-Guyomard, about 470 meters south of the hamlet of La Ville-au-Vent and 870 meters northeast of the hamlet of Coëby.

The main dolmen is a corridor dolmen with a single burial chamber of about 20 m2 on the ground, partially covered by a large slab. The orthostats (arrested stones) that make up it reach between 1.5 and 2 meters high. This type of structure, characteristic of Neolithic, served as a collective burial and reflects the funeral practices of that time.

The site was classified as historic monuments by an order of 25 August 1966, thus recognizing its heritage importance. Available data from sources such as Wikipedia and Monumentum confirm its membership in the Neolithic period and its role in the Breton archaeological landscape.

The Coëby State Forest, where these dolmens are located, offers a preserved natural setting, reinforcing the historical and tourist interest of the site. Their proximity to hamlets such as La Ville-au-Vent and Coëby underlines their integration into a territory marked by an ancient human occupation.

Although information on excavations or specific discoveries related to these dolmens is limited in the sources consulted, their classification as a historical monument attests to their archaeological value. Their conservation status and accessibility remain key elements for their study and development.

The region of Tredion, like a large part of Brittany, is rich in megalithic remains, showing a dense human occupation during the Neolithic period. These dolmens are part of a wider network of funeral and ceremonial sites, illustrating the beliefs and social organization of the communities of the time.

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