The Château de Bonnefontaine is a château in the commune of Antrain, Ille-et-Vilaine, France. It dates to the second quarter of the 16th century. Noted for its elegant turrets and tall windows, it became a monument historique on 16 September 1943. The park was laid out by Denis Bühler and Édouard André."Château de Bonnefontaine" (in French). Parcsetjardins.fr/. Retrieved 28 April 2015.