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Heritage classified

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Origin and history

The Saint-Martin church of Jouars-Pontchartrain, located in the hamlet of Jouars (Yvelines), is a Catholic building dating back to the 12th and 13th centuries. Only the choir and the base of the bell tower remain of this medieval period. Its present appearance is the result of numerous changes, notably in the seventeenth century, when François Romain, Benedictine architect, rebuilt the bell tower damaged by lightning, giving it a bulbous shape, considered less vulnerable to weather. The church retains a rare medieval configuration, with a dedicated cemetery and a portal sheltered by a characteristic awning.

The nave, with three spans, and the chorus, vaulted dogives, have been reworked over the centuries. A side chapel houses a altarpiece offered in 1741 by Jérôme de Pontchartrain, descendant of Paul Phélypeaux, while the baptismal fonts, made of cut stone, are in another chapel. Before 1789, the church housed rich furniture (tables, statues, woodwork), partially dispersed during the Revolution when it was transformed into a temple of Reason. However, several elements, such as the altarpiece representing Saint Martin or a triptych, were returned.

Classified as a historical monument in 2003, the church illustrates the architectural and religious evolution of the Yvelines. Its bulbous bell tower, unique in the region, bears witness to the technical adaptations to the climatic hazards. Armored woodwork, the pulpit and preserved works of art reflect its heritage and cultural importance, linked to local history and the family of Pontchartrain, a prominent figure of the French nobility.

The building, owned by the municipality, is located at the crossroads of departmental roads D15 and D23, in a preserved rural setting. Its listing in the inventory of historical monuments highlights its historical and artistic value, while allowing its conservation for future generations. Available sources (Wikipedia, Monumentum) confirm its central role in the religious and architectural heritage of Île-de-France.

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