Park in the parking spaces along Avenue de la Zibeline, in front of the tennis court.
(S/E) Cross at the pedestrian crossing and turn right towards the roundabout and the retirement home. Turn quickly left into Allée des Acacias and follow the red and whiteGR®2signs. After about 100 metres, take the path on the left into the undergrowth.
Follow the signs along the left side of the first four ponds.
(1) Behind a school complex, take the footbridge on the right, then turn left to go around the last pond. Cross Avenue de la Zibeline and take the small path directly opposite. Cross Rue de l'Aubépine, then turn opposite and slightly to the left into Square du Cerisier. At the end, turn right between two houses and enter the forest.
Follow this path, which winds its way through the forest, following the red and white markings. When you reach a large clearing with a roundabout, take the lane that branches off slightly to the right. Follow this lane until you reach the next five-way intersection.
(2) Follow the gravel road heading south-west. Pass two pumping stations and, at the junction with Route des Pommiers, continue straight ahead to the edge of the forest.
(3) Turn right onto the road (please note that theGR® has been modified and does not correspond to the map). Then, after about 200 metres, take a small path into the woods on the left. Leave the next two grassy lanes on the left and take the third (Rue Bas Boire), leaving the GR®.
At the end of the street, turn right onto Rue François Rolin and continue to the Saint-Germain d'Auxerre church.
(4) Cross at the pedestrian crossing, then turn right onto the road that goes downhill (Rue Pasteur). After a few dozen metres, turn left onto the lane along a fence, then at the end, turn right into a park.
Follow the path downhill towards the playground until it intersects with theGR® (view of the Seine and the Vives Eaux dam).
Turn left at the hairpin bend to go back up into the park, following the red and white markings. After about 150 metres, take the lane on the right and continue to the park exit. Turn left onto Chemin des Pavillons, then right onto Chemin des Boissettes.
(5) At the end, turn left onto Chemin aux Loups. At the roundabout, leave theGR® and cross at the pedestrian crossing to enter Rue aux Loups opposite. Follow this road, which soon becomes a stony path, and continue straight ahead, ignoring the paths on either side. Return to the tarmac at Rue des Joies and continue for about 50 metres.
(6) Take a small path on the right that runs alongside the old moat of the fortified farmhouse Les Joies, the ruins of which can be seen on the left. The path leads to a large lane; follow it to the right. Cross a road and continue straight ahead.
(7) After about 300 metres, take the path on the right, which soon turns left. Cross a large lane and continue straight ahead. At the next intersection, turn left. Ignore the paths that branch off to the right and continue until you reach a wide gravel forest road.
(8) Take it on the right. Continue straight ahead at the next junction, then turn left (elevation 73) and continue until you reach a group of houses after passing through a gate. At the junction, you will see the Gros Chêne farm on the right and a lane with a gate on the left. Head towards the latter.
(9) Take the path (not shown on the map) to the right of the gate. It turns left, then splits in two. Take the right-hand path. The Grand Berge menhir is a few dozen metres away.
Turn around and go back to the gate. Follow the road on the left that runs alongside a field until you reach a paved street (Allée du Hêtre).
(10) Turn right onto this street, which soon becomes a path. Cross a road where traffic can be heavy (Allée des Lilas), and follow it to the right on the left-hand side for about 180 m. Take the path on the left without entering the housing estate, and follow it to Avenue de la Zibeline. Turn right and return to the starting point in front of the tennis court (S/E).
