Timeline

Heritage classified

Origin and history

The megalithic complex of Saint-Joachim, located in the municipality of the same name in Brière (Loire-Atlantique), consists mainly of two dolmens. These funeral structures, characteristic of Neolithic, are only accessible and visible during periods of low water, due to their location in a wetland. Their presence attests to the ritual practices and architectural know-how of the prehistoric societies of the region.

The site was recognized for its heritage importance and protected as a historic monument by a decree of 14 May 1981. This inscription underlines its archaeological and cultural value, while ensuring its preservation in the face of natural and human risks. Today, the site belongs to a private company, which can influence the conditions of access and visit for the public.

The location of the megalithic complex, near the Grand Butteau Rouge in Saint-Joachim, is part of a landscape marked by the presence of many prehistoric sites in the Loire-Atlantique. These monuments, often linked to funeral or symbolic functions, reflect the social and spiritual organization of neolithic communities. Their study provides a better understanding of the lifestyles and beliefs of the people of this time in the Pays de la Loire.

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