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Heritage classified

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Origin and history

The church of Saint-Jean de Villeneuve-de-Mézin, located in Lannes en Lot-et-Garonne, is a defensive religious building built in the late 12th or early 13th century. Integrated into the castrum of Villeneuve, mentioned as early as 1259 in a tribute to the Count of Toulouse, it served as a fortified point on the edge of the Landes forest. His choir, vaulted in a broken cradle, occupies the ground floor of an elevated enclosure tower of a bell tower, while the early nave, not originally vaulted, housed a guard room accessible by a wall staircase. Heavy wood, later replaced by machicolis, protected the surroundings until the 15th century.

In the 12th century, the cure depended on the Benedictine priory of Buzet (Order of Cluny), itself linked to the abbey of Saint-Sever since a donation by Duke Guillaume Sanche of Gascogne in the 10th century. The nave was vaulted in the 16th century, reducing the height of the guard room, while a side chapel — decorated with paintings in the 17th century — was added south side. The western portal, adorned with a chrism and enigmatic monogram (BAIGSNT), bears witness to the successive transformations, including the restorations of the 19th and 20th centuries (clocher in 1901, staircase in 1880).

Ranked a Historic Monument in 1941, the church preserves remarkable defensive elements: thick crenellated walls, round path with stone china, and traces of heavy. Its history reflects the adaptations of a place of worship into a protective bastion, mixing religious and military functions. The bolt holes under the round path remind of the lost heavys, while the vaults with liernes and thirdons illustrate the architectural evolution between the Middle Ages and Renaissance.

The site, a communal property, is a key vestige of the castrum of Villeneuve, which also remains a wall of enclosure and a fortified gate. The written sources (Marboutin, Tholin) highlight his role in local defence, as well as the links with the Gascon Lords and the Clunisian Church. The 17th century paintings in the lateral chapel add an artistic dimension to this hybrid monument, symbol of the sacred and warrior duality of the medieval heritage.

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