From Paris: Porte de la Chapelle towards Lille, exit A86 Nanterre / La Défense. Follow A15 Cergy-Pontoise then take exit n ° 9 and the 1st on the right. Follow boulevard François Mitterrand then at the 3rd traffic light on the left, make 100 m and turn left. From Rouen: take the N14 then the A15 exit n ° 9. At the roundabout, take the direction of Pontoise.
RER line A towards Cergy-le-Haut, exit Cergy-Préfecture. Fenced parking. Pontoise train station 2 km - Cergy-Pontoise airport 12 km - Roissy CDG 50 km.