Montfort-l'Amaury () is a commune in the Yvelines department in the Île-de-France region, north central France. It is located north of Rambouillet. The name comes from Amaury I de Montfort, the first seigneur (lord) of Montfort. Geography Montfort-l'Amaury lies north of the Rambouillet Forest. It is located at the foot of low hills, at about 130 m above sea level. History King Robert II built a castle in 996 in the hills of Montfort. Montfort-l'Amaury was the stronghold of the Montfort family from the start of the 11th century. Amaury I built the ramparts. The Comté de Montfort was related to the Duchy of Brittany following the marriage of Yolande de Dreux-Montfort with Arthur of Brittany in 1294. It returned to the crown of France when Brittany became a part of France under Francis I. The castle was destroyed by the English during the Hundred Years' War. Sites of interest Ruins of the castle Maison de Maurice Ravel, which is now a museum . Maurice Ravel lived here from 1921 until his death. Château de Groussay, built in the 19th century People Jean Anouilh, dramatist Colette Darfeuil, actress Henri George Doll, scientist Jean Monnet, architect of European Unity Simon de Montfort, 6th Earl of Leicester (born in the castle, 1208) Maurice Ravel, composer Charles Aznavour, singer Ambroise Roux (1921-1999), CEO of Compagnie générale d'électricité (later known as Alcatel) from 1970 to 1981, lived and died in Montfort-l'Amaury. Omar Sy, actor Twin towns Nickenich, Germany See also Communes of the Yvelines department References External links Official website Pictures of Castle Montfort l'Amaury Photos by Amaury Laporte, free to use for non commercial purposes Information about Montfort l'Amaury Communes of Yvelines Burial sites of the House of Montfort