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Origin and history

The Table des Marchands is a dolmen located on the megalithic site of Locmariaquer, Morbihan. Ranked a historic monument in 1889, it is part of an ensemble including the large broken menhir of Er Grah and the tumulus of Er Grah. Its present name, popularized in the 19th century, replaces earlier appellations like Dolmarchand or César's Table, reflecting fanciful interpretations related to the celtomania of the time. The first written records date back to 1753-1755 in President Robien's book, while archaeological explorations began in 1811 under Maudet de Penhouët.

The monument, built between 4000 and 3900 BC, is a 10-metre-long corridor dolmen, originally centered in a 20-metre-diameter cairn. Its covering slab, measuring 5.72 meters, rests on three pillars, and several orthostats carry symbolic engravings (crosses, axes, anthropomorphic motifs). The bedside slab, in rare sandstone, pre-existing in the dolmen and would have served as an adorned stele before its reuse. Successive excavations (1811, 1883, 1905, 1987) revealed objects (haches, ceramics, gold thread) and traces of ancient looting.

The controversial restorations, notably that of Zacharie Le Rouzic in 1937-1938, changed his appearance by re-establishing a protective cairn, sparking debate on the ethics of interventions. The engravings, interpreted as symbols of power or cosmogonical representations (mother goddess, rainbow), underline the ritual importance of the site. Today, the dolmen, open to visit, bears witness to collective funeral practices and the megalithic art of Breton.

The materials used, such as the orthogneiss of Roguedas or sandstone in the sabals, come from remote sites (up to 10 km), revealing a complex organization of transport and construction. The orthostats of the corridor, in local granite and orthognesis, include fragments of the large broken menhir of Er-Grah, demonstrating a recycling of megaliths. The 1987 excavations (Le Roux, L-Helgouac-h) made it possible to date the monument precisely and to understand its architectural evolution, including the extension of the cairn to 30 metres in diameter.

The interpretations of engravings vary: the goddess Mother with radiant hair (Le Roux) or a phallic symbol (Cassen) for the bedside slab; A rainbow and a boat for its outer face. The orthostate n°3 has serpentiform and ramiform motifs, while the orthostats n°16 and 17 have cupulas, suggesting intentional symmetry. The later engraved word GAZELLE evokes a 19th century sailor inscription.

The debates on restorations, such as the one in 1991 calling into question the work of Le Rouzic, illustrate the challenges of conservation of megaliths. The site, combined with a nearby Gallo-Roman theatre, suggests a re-use of the places throughout the ages. Today, the Table des Marchands remains an emblem of Breton Neolithic heritage, attracting researchers and visitors for its architectural and symbolic puzzles.

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