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Origin and history

La crypte Saint-Avit, located in Orléans in the Loiret department, is a 11th century historical monument. It was built under the church of Saint-Georges (or Saint-Avit), built at the same time to house the tomb of Avit, Abbé de Micy buried in the fifth century. The church, demolished several times (1428, 1562, 1567), was finally destroyed in 1667-1668 to give way to the major seminary, leading to the oblivion of the crypt, filled and buried under the new constructions.

The crypt was rediscovered in 1852 during expansion work, in a state of advanced degradation: its arch vaults, partially collapsed, were restored to brick, and an entrance was built. Its plan includes a martyrium and a chapel, separated by a wall pierced with openings, with masonries composed of jobs. Two lateral corridors, now missing, once linked the crypt to the upper church. Traces of murals, reported in 1852, attest to his original decoration.

The crypt Saint-Avit, classified as a Historical Monument in 1862, is a rare example of Carolingian and primitive Romanesque religious architecture in the Loire Valley. Its history reflects the political and religious upheavals of the region, from its foundation as a place of pilgrimage to its abandonment after the disappearance of the relics of Avit. Today, she is part of the Orléans Girls' High School and remains a fragile testimony to this underground heritage.

Available sources, including Monumentum, highlight the archaeological importance of the site, despite an imprecise location (noted 6/10). The remains, though partial, offer a light on the funeral and liturgical practices of the 11th and 5th centuries, as well as on medieval construction techniques, marked by the reuse of materials (spolia).

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