🏰 Château de Vallière

The Château de Vallière is a 19th-century château in Mortefontaine, in the Oise département, in the Hauts-de-France region. The park is partly located in the commune of Fontaine-Chaalis. Built in 1894 in neo-Gothic style for the Duke of Gramont, its facades and roofs are listed in the supplementary inventory of historical monuments by decree of 29 October 1975. The park, located on the edge of the Ermenonville Forest, has been a listed site since 10 April 1961. The château is now owned by the Emirati businessman Mahdi Al Tajir.