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Heritage classified

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Origin and history

The church of Saint-Martin de Montjavoult, located in the Oise department in the Hauts-de-France region, is an emblematic 16th-century religious building. Built on a hill at 207 meters above sea level, it dominates the surrounding landscape and represents one of the main monuments of the former canton of Chaumont-en-Vexin. Its architecture combines flamboyant Gothic and Renaissance elements, reflecting the stylistic evolutions of the period. The southern gate, built around 1565 by master mason Jean Grappin, is considered one of the most remarkable in the region, while the bell tower, built later, completes this architectural ensemble.

The church was built over several decades, with separate work campaigns. The oldest part, the north side of the nave, dates back to the 11th century and retains a cradle vault characteristic of the Romanesque era. The choir and its collaterals, as well as the transept, were rebuilt in the late 15th or early 16th century in a flamboyant Gothic style. The nave and its southern collateral, vaulted at the same height, date from the second quarter of the 16th century and incorporate Renaissance elements, especially in the vault keys and capitals.

The Renaissance portal, commissioned around 1565, is the work of Jean Grappin, a renowned mason who also worked on Gisors' collegiate church. This portal, richly decorated with sculptures and motifs inspired by antiquity, marks the main entrance to the building. The bell tower, built after the gate, presents a sober and massive architecture, typical of the late Gothic period. The church was listed as a historic monument in 1913, demonstrating its heritage importance.

The interior of the church reveals a slender nave, with a wider south collateral and vaulted at the same height, creating a unified and luminous space. The pillars, vaults and windows reflect the flamboyant and Renaissance influences, while the north side preserves traces of the Romanesque era. The choir, narrower and less elevated than the nave, is illuminated by a large flamboyant bay at the bedside, adorned with a complex emplacement.

The church furniture includes several remarkable elements, including 14th and 16th century statues, 15th century baptismal fonts, and 17th and 18th century retables. Among the most notable works are a 14th century Virgin with Child, listed as a historical monument, and a carved group representing Saint Roch, dating back to the 16th century. These elements bear witness to the artistic and religious richness of the building.

The history of the parish of Montjavoult is closely linked to that of the abbey of Saint-Denis, which became its collator in 1157. Under the Ancien Régime, the parish was under the dean of Magny-en-Vexin and the archdiocese of Rouen. In the 20th century, the church was attached to the parish of Saint-François-d'Assise du Vexin, although Sunday Masses were suspended in 2018. Despite this, the building remains an active place of worship and a valuable witness to the Vexian religious heritage.

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