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Origin and history

Notre-Dame-de-l'Assomption Church of Beaumont-sur-Grosne, located in the department of Saône-et-Loire, is a 12th-century Romanesque religious building. It was profoundly altered after a fire during the wars of religion, during which its arches in the middle of the hanger were replaced by a walled structure. The Gothic choir with a flat bedside, built at that time, now houses a 19th-century glass window depicting the crowned Virgin, surrounded by Saint Anne and Saint Joseph, as well as a rare representation of Our Lady of Victories.

The church preserves a 16th century circular tombstone, that of Regnée de Préfontaine, daughter of Jehan de Préfontaine and Catherine de Tavannes, who died in 1527. This funerary slab, engraved with a badge and inscription, bears witness to the historical importance of the local noble families. The building, registered as a historical monument in 1986, is now part of the parish of Saint-Martin between Saône and Grosne and participates in the Open Churches network, promoting its accessibility to the public.

Architecturally, the church combines initial Romanesque elements – such as the semicircular abside and the basilical plane – with post-fire Gothic additions. The vault key of the choir, decorated with Christ in glory surrounded by angels, and the 19th century stained glass windows illustrate this stylistic duality. The building, owned by the commune, remains an active Catholic place of worship, integrated into the diocese of Autun.

Its regular opening is part of the Open Churches project, led by a foundation dedicated to the enhancement of religious heritage. In 2022 she was among the three churches of the Diocese of Autun participating in this initiative, highlighting her role both spiritual and tourist in the region.

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