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Parking is available in Gambais, a village west of Montfort-l'Amaury, along the Chemin de la Guerinoterie.
For most of the route, follow theGR®22markings (red and white). Otherwise, use the signs (not always present) at crossroads and paths to find your way. Please note that the path between the Noue crossroads and the old Nogent-le-Roi path is difficult to find (blue markings) and is poorly maintained.
Without markings
(S/E) Go through the gate at the end of Chemin de la Guerinoterie and follow the path, keeping to the left. After about 300 metres, at a fork, follow the path on the left (not shown on the map).
Red and white markings
(1) Join theGR®22trail and follow it uphill to the right (do not take thefirst path on the right, which is steeper). After a right-hand bend followed by a left-hand bend, continue straight ahead on Route de l'Étang de Vitry.
(2) At Poteau de l'Étang Neuf (shelter), turn right at a 90° angle onto Route de la Chesnaie towards Étang Neuf. Walk along the lake and cross two streams.
(3) Then turn left and take Chemin de l'Étang Neuf. Follow theGR® trail, keeping south-east. Chemin de l'Étang Neuf continues as Route du Champ Mauduit.
Cross the tarmac road of La Vente aux Moines and continue to the D112. Follow this road to the left and enter Gambaiseul.
(4) At the crossroads, go straight ahead and take the path marked by a wooden barrier. Walk along the meadows and then enter the forest. At the crossroads, turn left onto Route du Bocquet. Walk along a pond on the left and take a wooden footbridge to reach the Hêtre des Ponts Quentin.
(5) Then turn right to reach the forest and follow Route aux Vaches. Stay on the main path, which is marked, and ignore the side paths. Except at the beginning, the path is at the bottom of the valley and crosses the Ruisseau des Ponts Quentin stream several times.
(6) At the junction with Route Monnereau, continue straight ahead (theGR®1joins theGR®22).
(7) About 300m further on, at a fork, turn left and follow the GR®1 (leave the GR®22 continuing to the right with the Route aux Vaches).
N.B. The purple line on the 1:25,000 map suggests that the GR®1 continues with the GR®22, but this is incorrect.
At the next fork, keep left to follow the Route des Sept Chênes to the crossroads of the same name.
No markings
(8) At the Carrefour des Sept Chênes, turn left onto the Route de la Croix Saint-Jacques (leave theGR®1continuing straight ahead). This leads to a small car park, just before joining the D138. Walk along the departmental road without taking it or crossing it, cutting across the car park to reach the Route forestière du Parc d'en Haut.
(9) Cross the forest road and follow Route des Longues Mares diagonally to the left until you reach the crossroads of the same name.
(10) Then take the second right, the Route du Grand Veneur (North).
Blue markings
(11) At the Noue crossroads, take the first path on the left. Please note that this may be difficult to spot, especially in autumn and winter (do not confuse it with Route de la Noue, the second path on the left). Cut through the woods to reach the edge of a property located along the old Nogent-le-Roi road.
(12) Then turn left to follow this old road. This may be a little difficult to follow depending on the conditions. It is both wide and poorly maintained. Walk along the fence of a property on your right and go from one boundary marker to another. The markings are not always visible. Wooden benches punctuate this path.
No markings
(13) Cross the Route forestière (tarmac) des Haizettes and follow the Route de l’Étang de Vitry west then west-northwest. Cross the D112 and continue straight ahead.
(14) At the fork, turn right to follow Route du Haut Beaussart. Keep heading northwest; the path alternates between ascents and descents until it crosses Route de la Vallée Forée.
(15) Follow this road to the left and descend. At a fork, take the right-hand path, Route du Pont Neuf, and immediately cross a perpendicular path. At the next junction, go straight ahead.
(16) At the next junction, turn right onto Route de l'Étang de Vitry. Follow it straight ahead to the north-west until you reach Poteau de l'Étang Neuf.
Red and white markings
(2) Continue straight ahead on theGR®22. Go downhill and, after a left-hand bend, you will come to a crossroads.
No markings
(1) Then turn left (leaving theGR® trail to your right). At the next junction, turn right and head towards La Guérinoterie (S/E).
Visorando Member
Difficult 
Easy 
