Park in the Jardins de Marly car park in the park.
(S/E) At the car park exit, turn right (south-east), then take a path on the left and walk along the Grand Miroir pond, then go to the end of the park to admire the Chevaux de Marly (copy) at the Abreuvoir de Marly.
(1) Go up the path on the right that runs along the park wall to the Grille Royale.
(2) At the roundabout in front of the Grille Royale, take a path slightly to the right that passes in front of the Ancienne Batterie de Réservoirs and leads to the Chemin des Deux Portes. Follow this path to the right until you reach the next crossroads.
(3) Continue straight ahead for about 500 metres, turn right and take the GR®1 on the left. At the junction with the GRP® Ceinture Verte de l'Ile de France, turn left and take a tarmac path that leads to the Route de Saint-Cyr.
(4) Cross the road and turn left. At the end of the sports facility car park, take the path through the forest that runs alongside the road. At the first intersection, turn sharply right to take the path behind the sports facilities, which leads to the Marly-le-Roi cemetery.
(5) Pass to the right of the cemetery and continue along Chemin du Val de Cruyé. Continue along Chemin de l'Auberderie until you reach Rue Saintine. Turn right onto Rue Pierre Bourdan, which leads through Vieux Marly and Grand Rue to the park.
(6) Cross Avenue des Combattants, go up to the right, then turn left onto Porte du Parc, where Route de Bacchus leads straight to the Jardins de Marly car park (S/E).