Departure from Juziers station on the Transilien J line, between Paris-Saint-Lazare and Mantes-la-Jolie via Conflans.
By car, park in the station car park on Rue de la Poste.
When you leave the car park, head towards the footbridge to cross the railway tracks.
(S/E) With your back to the station, take Avenue de la Gare to the left and take the first small street on the right, Rue de la Citerne.
(1) After 4 bis, turn left onto Sente des Plis (signposted) until you reach Impasse des Plis and Rue de la Fontaine. Take a short right/left turn into Rue des Aulnaies to see a wash house, then retrace your steps and continue up Rue de la Fontaine. Ignore a street on the right and at the next crossroads, continue right onto Rue d'Aumont. At the fork a few metres further on, go down the small path opposite, Rue des Chaudières.
(2) At the next crossroads, turn right then left, following a fence on your left to reach a small street. Turn left and then immediately right to pass in front of the town hall on your left, then turn right onto Rue de l'Hôtel de Ville. Walk along a car park and, just before the railway bridge, turn left onto Rue du Commerce. Ignore a street on your left.
(3) Turn left onto Rue Levieil Pazot, which will turn left, then continue left onto Rue Blanche Pierre until you reach a T-junction with Rue du Marais, where you will turn right.
(4) Just after number 29, turn left onto Chemin du Marais (signposted). At the end, turn right, pass in front of a wash house, cross Rue du Marais and climb the steps at number 38 bis. You will come out onto Rue des Grès. At the end of this street, turn right. Go up Route d'Apremont on the left and walk along a sports field on your left.
(5) Turn right onto Chemin du Clos Renard (signposted) and walk past a landscape information table.
(6) Between a relay antenna and a house, turn left up a small path, signposted Sente des Clos Renard sous Bois, and continue to Rue de la Côte d'Apremont. Go down to the right and turn left onto Sente des Bioudres. At the T-junction, turn right onto Route d'Apremont (signposted Mézy).
(7) After a sign indicating a series of bends, in the next bend and opposite Villa Poiret, turn right down a path with a green metal barrier. At the T-junction with Route d'Apremont, first turn left then right and take Chemin des Folies. At the stop sign, turn left onto Chemin d'Apremont, signposted. Ignore a turn-off to the right, cross a road and continue along the path until you cross Route d'Apremont again, where you turn right. Villa Poiret is a few metres to the left.
(8). At the next bend, turn left onto a path with a metal barrier, which immediately turns right, running alongside a fence on your right. Ignore the small paths on either side until you pass the Erambert Tomb on the right-hand side of the path. Continue along this path, ignoring a path branching off to the right. At the edge of the woods, at a T-junction facing a rolling meadow, take the small path on the right that runs alongside a fence. You will come to a wider path in the undergrowth; continue straight ahead.
(9) At a fork at the edge of the woods, take the left fork, then at the next fork, take the right-hand path that passes between two vegetable gardens. At the wash house, turn left and then take a small path on the right between two walls. At the T-junction, turn left then right into Rue Alfred-Lasson, pass the schools and at the next junction first turn right then left onto Rue de Meulan then Rue d'Hardricourt on the left until you reach the sign at the exit of Mézy. Continue to 16 Rue des Saules Racines.
(10) Immediately turn left onto the steps of Chemin des Colombiers. At the T-junction, turn right onto Rue du Château and go through a roundabout.
(11) At the next T-junction, turn right towards the church, walk along its left-hand side and take Rue Guillaume de Beaumont. At the next fork, turn right into Rue de Chantereine, walk past a school and ignore a turning on the right.
(12) At the end of the street, first turn right then left to cross Rue de Meulan and continue along Rue du Chaud Soleil, past the retirement home on your right, until you reach number 17. Immediately after, turn right onto the Sente de la Haranne stairway. At the top, turn left onto Rue Berthe Morisot. At the next crossroads, turn left again into Rue Chevet-Ru. Turn left again into Rue du Château.
(13) Walk past the church and under the railway bridge. Cross the D190 to reach the banks of the Seine. Turn right onto the towpath.
(14) Walk along the wall of the Juziers cemetery until you reach the end, crossing a car park. The path is then difficult to see for a few metres but does exist. Continue along the towpath until you reach a water treatment plant (alternative route possible, see the section "During the hike or nearby").
(15) Turn right onto the tarmac driveway of Les Marronniers, cross the D 190 and turn left across Rue de l'Hôtel de Ville, then turn right into Impasse du Square Baroche. Go around the roundabout, walk past the school, then turn left at the T-junction and finally right to return to the station car park and the starting point. (S/E)


