Start from the small car park in Livilliers, Rue de la Chaise, near the church. For access by train and bus, see the ‘Practical Information’ section.
(S/E) Head towards the church and join theGR®1marked in red and white by turning right onto the Sente de l’École. Keep the paths on your right. At the two crossroads, go straight on and cross Bois Lapin.
(1) At the crossroads at the edge of the woods, continue straight ahead. Walk along the right-hand side of the copses without changing direction. Once in the fields, turn left. At the end of the path, turn right.
(2) Pass a yellow-marked path on your left. In the woods, ignore a path on the right. Follow Ruelle de la Vanne to enter Épiais-Rhus.
(3) Cross Rue de Normandie to take Rue des Bruyères. Pass the path on the left, then Rue du Pressoir on the right.
(4) Turn left onto Sente de Butard. Pass a yellow-marked path on the right. The path crosses woods and fields to reach Grisy-les-Plâtres.
(5) Follow Rue Butelle to the left, then turn right onto Rue Robert Machy. Ignore two streets on the right, then turn right after the church onto Rue du Vexin.
(6) Turn left then right into Rue de Berval. Leave Rue de Berval by taking Rue de l’Isle on the left. At the junction, head straight on towards the D22.
(7) First turn right then left to cross this main road with care and join the D64. Follow it very carefully for 2.5 km until you reach the entrance to Bréançon.
(8) Pass Rue des Carmélites on your left and walk past the church along the street of the same name. Continue along Rue de la Liberté.
(9) Leave theGR®1by turning right onto the path that comes immediately after the Fontaine path. Turn right to reach the church in Bréançon.
(10) Cross Rue de l’Eglise at the pedestrian crossing and follow Rue du Moulin to the right, going against the flow of traffic. Pass Rue des Carmélites on your left again and follow the D190 with care. Turn left onto a path marked in yellow through the fields.
(11) Cross the D64 and leave the yellow markings to take a path opposite that veers to the right. When the path disappears in front of a copse, go to the right of it. Further on, the path reappears and enters the woods.
(12) After a viewpoint, head down to the right to perform a first turn left then right, then follow a path on the edge of the woods to the left. Join the D22.
(13) Carefully follow this road to the left. After the cross, take the path on the right which joins Rue Bois Queris. Cross theGR®1then follow Rue Charles de Gaulle. Turn left onto Rue du Vexin and ignore Rue de Berval and Rue des Bouchers.
(6) Continue along Rue du Vexin. After the Stop sign, take the second left, Rue des Maurois. At the corner of the cemetery, turn right onto Sente du Moulin, going against the one-way traffic. Ignore the paths branching off to the left and right. Cross the D64 and follow the yellow-marked path opposite. In front of the cemetery, go straight down Rue des Bruyères.
(4) Leave the Sente de Butard on your right, then take Rue du Pressoir on your left. First turn right then left, then go right behind the church. Go down the steps on the left to Rue Saint-Didier. Go up the street on the right, leaving Rue de l’Église behind.
(3) Cross theGR®1. After the dead-end on the right, follow Chemin de l'Isle to the left. At the Fork in the road, turn left to rejoin the GR®.
(2) Turn right onto theGR®1and let it veer off to the left 100 m further on. Head straight on towards the D22.
(14) Follow it for 50 m to the left to join a path marked in yellow after a barrier.
(15) Leave the path on your left. At the crossroads, turn right onto the Sente de la Mine d'Or. Cross at the pedestrian crossing to reach the Chapelle de Gérocourt on your left.
(16) Turn back to rejoin the Sente de la Mine d'Or. Turn right at the crossroads and follow the yellow markings to the left.
(17) Turn left, then 50 m further on turn right at the edge of the woods and continue to the D79.
(18) Follow it to the left. After 100 m, turn onto the path on the right. Head up to the left at the yellow roof-shaped markers and then follow the path to the left which joins theGR®1.
(19) Turn left. In Livilliers, take Rue du Vaunay towards the church. Go round the left-hand side of the building to reach Rue de la Chaise and the car park (S/E).