Park in Rue des Étannets, along Parc des Lavandières, near the Résidence du Château.
(S/E) With your back to the park, on the left of the Résidence du Château, follow the Sente de l'Auge, which climbs to the left and becomes a footpath. Turn right at the crossroads into Ruelle des Poulies and ignore the stairs on the left. At the end of Ruelle des Poulies, return to the tarmac road and turn left to go up Rue de l'Éperon.
(1) Enter the Jardin de la Ville on the right. Turn right and continue straight ahead, passing the small kiosk to reach the fountain. Then turn left and walk up the garden along a wide path. Exit on the right via Impasse de la Prison and you will reach Place du Petit Martroy, roughly opposite Saint-Maclou Cathedral in the heart of old Pontoise.
(2) Opposite the cathedral, on the left, take a cobbled street called Rue des Balais. You will come to a car park. Go around it on the right, then turn right into Passage des Moineaux (large red door), go around Place des Moineaux on the right, then turn right onto Rue des Moineaux. At the crossroads, turn left onto Rue de l'Hôtel de Ville. After about 30 metres, go down a small staircase on the right, next to a florist (be careful not to miss it) and you will come out at Place de la Harengerie. Walk along the left-hand side and then leave it on the opposite side via Rue Forêt Hardelot. Cross Rue Alexandre Prachay and continue along Rue du Paon, opposite.
(3) Take the second right, Rue du Château, for a round trip to the Murailles de Pontoise. Pass through the Jardin des Cinq Sens and walk around it. Then go back down Rue du Château.
(3) Back at the crossroads, turn right and continue down Rue du Château. Cross Rue de l'Ordre, continue along Rue de la Roche opposite, then turn right to reach Place de l'Hôtel de Ville and the Chapelle des Cordeliers.
Follow the road to the left while admiring the architecture of the Musée Tavet. Then follow Rue Victor Hugo to the right, cross Boulevard Jean Jaurès, and pass in front of the Palais de Justice. At the corner of a car park, turn left onto Rue des Tables Rondes. Then turn right onto Rue Gambetta. Take the first street on the right, Chemin des Fortes Terres.
(4) Turn right onto Chemin des Bottes. Then take the path that branches off to the left (at Rue Le Charpentier, which branches off to the right). The path continues along Rue Paul Déroulède, which, after a sharp right-hand bend, leads to Rue de l'Hermitage. Follow it to the right. Then take the first street on the left, Chemin des Mathurins, then the path on your left. At the intersection, turn right onto Sente des Grattes Coqs. When you reach Rue Adrien Lemoine, follow it to the right.
(5) Turn sharply left onto Chemin du Chou (at a wall with a balustrade). Follow this path and take the first path on the right, Sente des Aubépines, then turn right onto Chemin des Vaugeroux. Then turn onto the first path on the left, join a lane and turn left to reach the road leading to the banks of the Oise.
(6) Turn right, walk along the Oise, leave the bridge on your left and continue to the Tourist Office. Then turn right and follow Rue Séré Depoin towards the station.
(7) Cross Rue Thiers on the right and leave the station on your left. Continue along Rue Carnot, then take the first right. Turn immediately left and walk past a former girls' school and an old bathhouse. First turn right then left onto Place Notre-Dame and walk alongside Notre-Dame Church.
(8) Turn right, then immediately left onto Rue des Étannets. Continue straight ahead on this street until you reach the starting point (S/E).

