Timeline

Heritage classified

Origin and history

The menhirs of the Platennes form a megalithic ensemble composed of three sandstone stones, located in the commune of Chauvé, in the Loire-Atlantique department. These monuments, typical of megalithism, are distinguished by their imposing dimensions: the largest measure is 5.10 meters long, while the other two reach 4,40 meters and 3,30 meters respectively. Their layout and material suggest an ancient origin, although the exact period of their erection is not specified in the available sources.

The site was officially recognized for its heritage importance and listed as historic monuments on 2 May 1989. A notable event in recent menhir history is the fall of the central menhir in the early 19th century, caused by a storm. As he fell, he broke a block of sandstone on which he still rests today, testifying to the climatic hazards that marked this site. No information is available on any rites, uses or legends associated with these stones.

The menhirs of the Platennes are part of a regional landscape where megalithism is present, reflecting the cultural and religious practices of prehistoric societies. Their preservation makes it possible to study stone size and transport techniques at a time when these monuments probably played a symbolic or commemorative role for local communities. Their inscription as a historical monument underlines their archaeological value and their contribution to the understanding of the megalithic heritage of the Loire-Atlantique.

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