By train and bus:
From Paris, take the train from Gare Saint Lazare to Marley-le-Roi SNCF station or the RER line A to Saint Germain-en-Laye. Take Bus 10 from the station, signed to Saint Nom la Bretèche. Get out at Les lampes. Walk down the avenue Kennedy then take the first right on the chemin des Montferrand.
Take the autoroute A13. Exit at Saint-Germain-en-Laye on to N186. Follow signs to Saint-Germain-en-Laye. At the 6th traffic lights, take the left road to Marly le roi. Take the chemin du haut des Ormes to the Clinique de l’Europe. There is an automatic gate giving access to the château’s car park. Ring the bell for access.