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Heritage classified

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Origin and history

The menhir de Guernangoué is part of a megalithic alignment located in Roudouallec, Morbihan, Brittany. Dating from Neolithic, this site was partially destroyed during the 1967 re-memberment, leaving only three menhirs, only one of them still standing. The blocks, in greenish Cambrian schist, show notable engravings: a trapezoidal "carton" pricked with a curved hammock on one, and about twenty cups on the other. The standing menhir is 4.25 m high, while the other two lie about 4.15 m long.

Ranked a historic monument by order of May 12, 1925, the site almost disappeared before its rediscovery in 1998. Menhirs, typical of neolithic constructions, testify to the cultural and ritual practices of the period, although their exact function remains debated. Their preservation illustrates efforts to safeguard a fragile megalithic heritage, marked by modern agricultural transformations.

Observed engravings, such as cartridges and cuplets, suggest a specific symbol or use, possibly linked to territorial rites or markings. These elements, combined with the large size of the stones, underline the importance of this site in the study of prehistoric Breton societies. The approximate location of the site, noted as "a priori satisfactory" (level 6), allows visitors today to locate it near Coat Quilvern.

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