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Heritage classified

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Origin and history

The Dolmen de Coste-Rouge is a megalithic monument located in Soumont, in the department of the Hérault (Occitanie), dating from the Neolithic period. Ranked as historical monuments since 1900, it is distinguished by its imposing appearance and its north-north-east/south-south-south-west orientation, with an opening to the south. Its circular tumulus, delimited by a double trimming, is about 10 meters in diameter and houses an access corridor leading to an almost square burial chamber (1.80 m x 1.60 m), built with four orthostates in triasic sandstone. The closing slab has an opening in an oven door, aligned with the winter solstice, while the cover table, weighing 15 tons, has enigmatic engravings: circular basins, cups, and a shallow square figure.

The funerary chamber reveals remarkable architectural details, such as an outgrowth on the western orthostate, probably used to facilitate climbing, and an oval cavity on the inner side of the eastern orthostate, carved by rotation of a hard tool. The cover table, in addition to its engraved motifs, presents grooves and cupules whose anthropogenic or natural origin remains debated. The site, integrated into the park of the former priory Saint-Michel de Grandmont, is also linked to medieval traditions: in the 12th century, monks settled there, perhaps to counter persistent pagan practices around the dolmen, then nicknamed Ostalet das Fadas ("house of the fairies" in Occitan).

In the Middle Ages, dolmen was associated with healing rituals of chronic skin diseases. According to tradition, the clothes of the sick were burned before they were raised on the dolmen table, where two monks rolled them and rubbed them to treat them. This practice, combining popular beliefs and religious intervention, testifies to the persistence of an imaginary linked to megaliths long after their construction. The dolmen, photographed from the late 19th century, became a tourist and scientific icon, illustrating many postcards and specialized works.

The 1900 classification underlines its heritage importance, while its integration into the landscape — on a circular terrace with a vast panorama — and its architectural characteristics (solstial orientation, engravings) make it a major witness to the funeral and symbolic practices of Neolithic in Languedoc. The traces of subsequent monastic occupation add a plural historical dimension, between prehistoric heritage and medieval reappropriations.

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