The institutions and facilities based in Val d’Oise place it at the forefront in a number of areas, and enjoy recognition well beyond its boundaries. Among them :Thermes d’ Enghien , the only spa in Ile-de-France.The internationally renowned Royaumont cultural center .The Impressionist museum in the Château de Lery at Auvers-sur-Oise . The two largest marina in Ile-de-France, starting-points for leisure cruises.The Axe Majeur, the esplanade at the heart Cergy-Pontoise , with its innovative architecture and the striking monument which has become a symbol for the town as a whole.