(S/E) The walk starts at the Othis football stadium. Opposite the stadium, take the path that passes under the high-voltage power lines.
(1) At the T-junction, turn left and continue straight on to Beaumarchais, where you will join theGR®1and its red and white markings.
(2) Just before the D26E, turn right and cross thefirst TGV bridge. Coming down from this bridge, turn right at the hairpin bend and follow theGR® marked path to the tarmac road (route de Ver à Loisy). Once on this road, turn left towards Loisy.
(3) At the crossroads just before the first houses, turn right towards the D922.
(4) At the intersection with the D922, turn right in front of the sewage treatment plant. Cross a small bridge over the Thève. A few dozen metres further on, at an intersection, turn left (barrier to the Ermenonville State Forest), the path goes uphill. Continue straight ahead on the Boisdhyver tarmac road, quickly leaving theGR®1which turns left.
(5) At the end of this footpath (car park, picnic area), turn right towards the forest house, which you will pass to reach a fork.
(6) You have just left the Ermenonville State Forest. In front of the Ver-sur-Launette pavilions, turn right and walk alongside them. Pass a first crossroads (Chemin de Saint-Sulpice), then come out onto a tarmac road (Chemin du Jeu d'Arc). Go straight ahead and cross the Ver à Loisy road, not far from a sports ground on your left. Continue straight ahead and then join the second TGV bridge. After the bridge, continue to follow the path on the right.
(1). You have now returned to the T-junction you passed on the way there. Turn left and you will arrive at your starting point (S/E).