Park in the small car park on Rue du Moulin, next to the Ru de Gally.
(S/E) Take the path running alongside the Ru de Gally.
(1) Cross the bridge to reach the other bank, continue along the stream, then cross it again and head towards the RD12 at the bottom of the Côte de Paris.
(2) Cross the road with care, turn right and head towards the roundabout. Turn left and, taking the same care, join the RD161, which is known here as Rue Amédée Brocard.
(3) After crossing the Ru de Gally, cross the road and take Rue Le Nôtre on the right. At the bend, continue straight on along Chemin de la Corderie, passing a small car park. Return to Rue Amédée Brocard (D161), which you should follow carefully by turning right.
(4) At Chemin de la Cavée, start the climb to the left leading to the Villepreux sports ground. Cross Chemin Brunin and continue straight ahead on the path running alongside the sports facilities, then take Allée de Gally at the end, which leads to Avenue du Général de Gaulle.
(5) Turn left to go down the avenue. After the town hall, turn right onto Chemin Entre les Deux Murs and continue round the Château de Villepreux.
(6) Before beginning the descent towards Les Bordes, turn right to follow Chemin de Villepreux, which leads to the Val de Gally cemetery. Cross the D12 carefully at the top of the Côte de Paris and take Chemin de l’Avenue de Villepreux opposite.
(7) Cross the bridge over the Ru de l'Oisemont and continue to the T-junction.
(8) Turn left onto Chemin de Rennemoulin, pass the town hall and head for the car park (S/E).