From Paris: take the A15 towards Cergy-Pontoise then the A115 towards Taverny, exit Taverny-center. From Cergy-Pontoise: take the A15 towards Paris, exit Montigny-lès-Cormeilles / Franconville. At the roundabout on the left, take the 1st road on the right to the Obélisque, on the right and at the traffic lights on the right Auchan shopping center. RER C: Montigny / Beauchamp station. Gare du Nord: Persan / Beaumont line, Vaucelles station, towards Auchan shopping center.