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Departure
The hike begins at Place Emile Menier in Noisiel.
(S/E) Leave the square by walking up to the right (with the town hall behind you).
Continue straight ahead into the street blocked by a low red brick wall decorated with flowers, forming a chicane. Go to the roundabout in front of the entrance to the chocolate factory.
Cross it, then turn left into the lane running alongside the chocolate factory. On your right, you can see some of the buildings that make up the factory, including the Saulnier mill and the coolers.
The lane turns right and ends near the Marne river and the "Chemin de la rivière" entrance to Noisiel Park.
GRP® markings (red and yellow)
(1) Enter Parc de Noisiel and follow the path on the left, which curves sharply to the right. It climbs steadily along the edge of a large meadow to the park's main gate.
TheGRP® trail exits here.
No markings
Continue through the park, going around the entrance pavilion on the right and then following the path on the left near the fence.
This will bring you to a junction with another path, which you take to the left to exit the park through a small gate.
(2) Cross the street and continue along the concrete path protected by a metal barrier. A hundred metres further on, turn right into a hedge-lined passage, also protected by a barrier, which leads to a roundabout at the end of a cul-de-sac.
Follow this street for about a hundred metres and turn right into the passage opposite No. 14.
This passageway leads to a cul-de-sac with a roundabout. Continue and turn right, then right again onto Chemin du Luzard to reach Rue Parmentier, which you take on the left. Go to the end of this street and turn right onto Rue Paul Bert, which leads to Rue de Paris near the main gate of the Château de Champs-sur-Marne.
(3) Turn left to pass in front of the château, then left again to take Avenue Victor Hugo, which runs alongside the beautiful avenue lined with tall trees opposite the château.
At the end of the avenue, where you can see two unusual water towers, cross the bridge over the motorway and immediately turn right onto the concrete path, which turns left a few dozen metres further on in front of a wall.
It ends at the bottom of a cul-de-sac. Continue straight ahead, leaving Allée Simone de Beauvoir on your right, and turn right onto Chemin de la Fontaine aux Coulons. At the next crossroads, turn right onto Rue de la Malnoue.
(4) About a hundred metres further on, opposite No. 49, turn left into the Bois de Grâce (see the information board on the left).
Continue along this forest path, keeping to the right at the next junction, and then continue straight on until you reach the fence of a school.
(5) You will see a children's playground on your right. (If you approach it, you will also see the pond below.)
Turn left and continue along the buildings, visible on your right through the vegetation, until you reach a wide path, which you take on the left. Cross the junction 250 metres further on and at the next one, a hundred metres after, turn right onto the winding path to the entrance of a tube-shaped passage under the railway line.
After going through this tunnel, you will arrive at the edge of a pond, which you will go around on the right.
The path leads to a roundabout near the Stade du Bois de l'Étang.
(6) Cross the roundabout
GRP® markings (red and yellow)
Continue straight ahead along Avenue Forestière on the right-hand pavement, as theGRP® markings are placed on the lampposts.
Two hundred metres further on, at the entrance to an underground car park flanked by two staircases, turn right onto the path leading into the woods. Follow the markings (which are very visible) to avoid getting lost. The path turns right after 400 metres, then left after another 400 metres and left again 600 metres further on.
A few hundred metres ahead, you will see the two twin water towers flanking the path.
Continue straight ahead to Noisiel station on RER line A, passing the Stade des Totems and going between the RATP Technical Training Centre and the René Cassin Technical College.
No signposts
(7) Turn right just in front of the station, walk along the car park and turn right onto Boulevard Salvador Allende. At the next large crossroads, near a large Renault garage, continue straight on along Rue du Bois de la Grange until you reach Allée des Hêtres Verts.
(8) This is a dead end at the end of which you enter the woods after passing through a metal gate. Continue along the path, which becomes a trail, skirting a residential area. It ends in a dead end near a flyover. Turn right to pass under the bridge.
(9) Follow the concrete path that veers left until you reach a street where you turn right towards the Auberge de la Fontaine (signposted).
At the crossroads near the inn, turn left onto Rue Bouquet, then right onto Rue Bacot and go around the roundabout. Cross Boulevard du Mandinet, then climb the steps to reach a park with a long lake. Follow its left bank and, at the end, turn left to cross the street and continue along the tree-lined mall to the lake located under the Lognes station on RER line A.
(10) Pass under the station and turn right immediately to take the footbridges over the pond and continue along its shore.
At the spillway, turn right onto the concrete path that begins with steps.
Cross the street, then go around the next pond on the left. At the end of the straight line, cross the street in front of the buildings towards the banks of the Marne (signpost).
(11) Cross the Cours des Lacs. Walk along the edge of a new pond for a few dozen metres before passing under the bridge of a dual carriageway and finding another pond on the other side. Walk along it and continue straight on to the next one, where you change banks and continue on the left.
(12) Cross Cours de l'Arche Guédon. Now follow the path closest to the stream on your left. It passes in front of an amphitheatre. A few dozen metres further on, go down to pass to the right of a small technical building. The path becomes grassy and leads to a roundabout next to a red brick building.
Continue to the next building, which is newer and rather charmless. In front of door E of this building, turn left into the narrow passageway leading to Rue Albert Menier at the corner of the town hall.
Turn left and you will find yourself at Place Emile Menier (S/E).
The walk is now over.
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Visorando member
Difficult 
Easy 
