Departure from Boran-sur-Oise station.
- Access by train: Transilien line H, between Paris-Nord and Creil. Please note that fares outside the Ile-de-France region apply (the Navigo card is no longer valid).
- Access by car: Park in the station car park.
(S/E) Head towards the level crossing and turn right onto Avenue du Général de Gaulle (D924). Cross the road and, just before the metal bridge, turn left onto the dirt track (white/red markings) towards the banks of the Oise and follow it for about 950 metres.
(1) Turn left towards the level crossing, following the markings. After crossing the railway line, turn right to go under a small metal tunnel. Continue along the farm track through the fields.
(2) Before the wooded area, the path branches off to the left between two fields and climbs through a copse, leading to the D603. Cross the road and continue straight ahead to reach an old farm.
(3) At the Tour de Morancy, continue along the marked path and leave theGR® 1A at the next intersection by turning left (stone marker). Continue straight ahead to the roundabout.
(4) At the roundabout, take the second road on the left (D118) towards Boran-sur-Oise. At the entrance to the village, continue straight on Rue du Château.
(5) Pass in front of the castle and, at the fork, turn right to continue along Rue du Château towards the church. You will come out at Place de l'Église.
(6) Pass the church entrance and turn left onto Rue Auchois Dupont. At the end of the street, turn left onto Rue Neuve and then right to reach Boran-sur-Oise station (S/E).