Ferme du château de Trappes

The ferme du château de Trappes is built on the foundations of a medieval castle, with remains of eleven watchtowers and a central courtyard visible. The complex now serves as a municipal technical center, and traces of the original moat can still be seen along Rue du Martray.

The castle dates to the 13th century and was controlled by major royal abbeys including Notre-Dame d'Argenteuil and Saint-Denis Abbey. In the late 17th century it was converted into a working farm, marking the end of its role as a fortified structure.

The site functioned as a medieval center of justice and authority within the region. Today visitors can observe how the layout of buildings reflects this former administrative role.

The site is difficult to access since it functions as a municipal facility with limited public entry to the interior buildings. The best way to observe the historic remains is from outside, particularly along Rue du Martray where the old structures are most visible.

The Pluchet family, who operated the farm during the 19th century, developed their own plow design and bred a specific type of sheep. Their innovations in agricultural technology were notable for the era and demonstrate how the farm evolved beyond its feudal past.