The château de Mesnil-Voisin is a French château, located at the heart of the hamlet of "Mesnil-Voisin" in the commune of Bouray-sur-Juine in the department of Essonne.
Le château was built by Michel Villedo, one of the famous "Maçons de la Creuse".[1] It has an orangery, kitchens, coach houses and workshops. At the centre of its communal courtyard a huge dovecote with 3000 niches and a wood-framed roof, and topped by a conical turret – it is rare in having its moveable internal staircase still intact.
The course of a canal bordering the rear of the château was entirely removed between 1999 and 2001. It has thus returned to its original course, leaving the Juine a short distance upstream of the château and rejoining it some distance downstream, just before the pont de Cochet.