(S/E) With your back to the car park, go straight ahead and cross Route du Boisdhyver with care.
(1) Ignore the return path on the right. Continue straight on to the Puits de Loisy crossroads.
(2) Turn left onto the GR®1, ignoring the three junctions.
(3) At Route de l'Éventail, turn right, leaving the GR®, cross the D922 with care and pass Maison Pierette on your left. Ignore the next junction.
(4) At Route Anglaise, turn left and go straight past the junction to reach Petit Carrefour.
(5) Turn onto the first track on the right, heading north-east.
(6) At Chemin de Thiers, turn right and after about 250 m, turn left onto Route de l'Éventail. Pass the junction and head towards the Ermenonville crossroads.
(7) Turn onto the second track on the right, Route de l'Abbaye.
(8) At Chemin de Meaux, turn right and ignore five junctions.
(9) At Chemin de la Mare, turn right and immediately left onto Chemin du Terrier Bourguignon. Cross the D922 carefully, then shortly afterwards the GR®1, and pass two junctions.
(10) Turn right heading due west for about 400 m until you reach the original junction.
(1) Turn left, then cross the Route du Boisdhyver with care and arrive at the car park where there is a picnic area (S/E).