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Origin and history

The Dolmen de la Madeleine, also known as Pierre-Madeleine or Tombeau de la Dame, is a megalithic monument located on an island in the Vienne, near Lessac in Charente. Although its neolithic origin is evoked by local beliefs and 19th-century prehistorians, no archaeological evidence confirms its use as dolmen before its transformation into a chapel in the Middle Ages. The 18-ton triangular slab, laid on four medieval-style columns, is said to have been reused from older orthostats, but this hypothesis remains controversial.

In the 11th century, the site was Christianized with the construction of a chapel dedicated to St.Madeleine, integrating the slab as an architectural element. The columns, 2.70 metres high, have a cylindrical barrel and a typical Romanesque art capital. In the 19th century, the chapel was even converted into a cabaret, illustrating its variable use over time. A excavation in 1878 revealed a medieval burial with bones and pottery, confirming its occupation at that time, but without trace of an earlier megalithic structure.

Local folklore attributes picturesque legends to St.Madeleine: she would have carried the slab on her head and crossed the Vienna River by a leap, leaving the imprint of her foot on a nearby rock, the Pas de Sainte-Madeleine. Her sheep were also said to have marked the floor of their hooves. These stories, reported by historian Jean-Hippolyte Michon in the 19th century, reflect popular beliefs associated with the site. Ranked a historic monument in 1900, the dolmen-chapelle remains a unique testimony of the Christian reappropriation of a presumed megalith.

The building is distinguished by its imposing dimensions: the slab is 4.50 meters long for 3.60 meters wide, resting on columns spaced from 2.15 to 2.40 meters. At the back, a visible stone block (1.20 m × 0.78 m) is interpreted as the remains of a medieval altar. Although prehistorians such as Gabriel de Mortillet mentioned his megalithic origin, there is no evidence to support this theory. Today, the site attracts as much for its complex history as for its island setting on Vienna, near Confolens.

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