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Origin and history

The Gallo-Roman Theatre of Moingt is an ancient building built in the first century on the territory of the former municipality of Moingt, now integrated in Montbrison (Loire). This mixed theatre was used both for theatrical performances and for theatrical games, a rare feature in Gallo-Roman architecture. Its remains, in an arc of circle of 42 meters radius, conserve a north-west wall of 10 meters high, built of granite bellows. The site, partially excavated in the 19th and 20th centuries, was classified as a historical monument in 1981.

Aquae Segetae (the ancient name of Moingt) was a Gallo-Roman spa town with several public monuments. The theatre, built in the second half of the 1st century, underwent reshuffles at the end of the 2nd century. Recent excavation campaigns, especially in 2025, have led to a deeper understanding of this emblematic site. The theatre illustrates the cultural and social importance of shows in the Roman cities of Gaul, mixing entertainment and community gatherings.

Protection of the site in 1981 allowed its preservation, although its condition remains partial. Owned by the municipality of Montbrison, it today bears witness to the Gallo-Roman architectural heritage of the Auvergne-Rhône-Alpes region, while asking questions about the cultural and urban practices of antiquity.

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