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Starting point and access: Arcueil-Cachan station.
- RER - Line B, on the section between Paris and Robinson or Saint-Rémy-lès-Chevreuse.
Take exit 3 Avenue Carnot, on the platform in the direction of trains coming from Paris. If arriving in the opposite direction, take the footbridge or the underground passage.
Yellow markings
(S) At the bottom of the exit stairs, continue along Rue du Docteur Gosselin. At the traffic lights, cross Avenue Carnot and follow it to the left.
After a few dozen metres, climb the ramp with the green railing on the right-hand side of the pavement, towards Avenue Léon Eyrolles and the market. At the top, turn right and take the covered footbridge that crosses the Grand Paris metro construction site.
At the end, continue along Avenue Léon Eyrolles and walk alongside the Cachan market on your left. At the corner of the market, turn left and enter the Jardin du Commandant Simonnin. Pass a skateboard park on your left and continue straight ahead. At the exit, cross the street at the pedestrian crossing and follow it to the right.
At the traffic lights, turn left into Parc Raspail. Go through a sort of chicane, down a flight of steps and follow a tarmac path. At the crossroads, go straight ahead and past a playground.
No markings
(1) Just after the playground, first turn right then left to follow a path that enters a bamboo grove (if access to the bamboo grove is closed, see the alternative route in the practical information section). Go down a slight slope and, at the bottom, turn left and go under a footbridge. Continue along the path, passing between a playground on your right and a building on your left, and you will find the park exit on your right.
Note the Jardin d'Arménie opposite, follow Rue Gallienni to the right (old fountain on the right-hand side) and walk alongside the town hall on your right. At the traffic lights, cross Rue Camille Desmoulins and follow it to the right. At the next traffic lights, cross Avenue Louis Georgeon and follow it to the left for about 50 metres.
Red and white markings
(2) Turn right into a pedestrian street, Les Rives de Bièvre, above the riverbed, which is underground here (information sign). Note the chevet of a church on the left. Cross a street and continue straight ahead on a pedestrian path along the Bièvre, which is now above ground. Go straight ahead to the foot of the Loing and Lunain Aqueduct, perpendicular to the river (information sign).
Yellow markings
Then turn right and walk along the aqueduct on your left. Go through a gate and first turn left then right to cross the street at the pedestrian crossing. Continue straight ahead on a paved path located on the embankment of the aqueduct, which has now gone underground.
Cross an avenue and continue straight ahead on a cement path. Walk steadily uphill along the wall on your right, ignoring the streets and alleys on your left. At the end of the path, turn right and take the bridge over the railway line at Bagneux station.
(3) At the end of the bridge, turn left onto a path that runs parallel to the railway line for a few dozen metres, then veers off to the right. Come out onto an avenue and follow it to the left. At the traffic lights, cross the avenue to the right and follow the Coulée Verte (paved street) opposite towards Parc François Mitterrand.
At No. 161, leave the street, which curves to the right, and turn left onto a path that runs parallel to the railway line below (note: twoPR® trails separate here). Walk alongside a building on your right, then ignore a footbridge on your left. Reach another building on the right and, at its end, turn right.
No markings
(4) Pass a small sports ground on your left and cross a playground between two small buildings, passing No. 10 and No. 12 in succession. Climb a flight of steps and cross Avenue Paul Vaillant-Couturier at the pedestrian crossing. Follow the avenue to the right for about 30 metres.
Then turn left and passNo. 7bis on your right. Cross the street and climb a staircase. Continue uphill on a paved path along a fence on the left. Cross Avenue Blaise Pascal and take the path opposite that climbs into a wooded park. Atthe first intersection, turn left and pass a bench and then a fitness trail.
Yellow markings
Ignore a path coming from the right (not shown on the map), pass a picnic table and then ignore a path on the left. Go around thefirst kiosk on the left, ignore a staircase going down on the left and continue straight ahead. Go around asecond kiosk on the right.
No markings
(5) Then climb a staircase on the right and continue along a path. At the T-junction, turn left. Pass under a small archway of greenery and cross the street at the pedestrian crossing (Rue des Pichets on the map).
N.B. For the following paragraph, the route on the OSM map is incomplete and approximate: the exact route has been traced on a satellite image.
Go straight ahead on a cement path, ignore two successive turnings on the right, follow the winding path, ignore a turning on the left and pass under a footbridge. At the next junction, go straight ahead and ignore another turning on the right.
Cross Rue des Tertres and go down the steps opposite, leaving the Paul Éluard school complex on your left. At the bottom, continue along the street. At the crossroads, turn right onto Allée des Marronniers. After turning left with the alley, cross the street and enter a path between two fences opposite (sign for "Résidence Paul Éluard" on the left). Go through a metal gate and continue along a narrow street.
You will come out onto Avenue de Bourg-la-Reine. Turn right and follow the road. At the end, go around the roundabout on the right, cross the D74A and you will arrive at the foot of Saint-Stanislas Church.
(6) Opposite the church entrance, turn right and then immediately left onto Avenue Gabriel Péri. Enter Fontenay-aux-Roses and walk up the avenue, passing Rue Charles Péguy and Rue des Paradis on your left.
At the next crossroads, take thesecond left onto Rue André Chenier. At the end, turn right. At the stop sign, turn left onto Rue des Potiers and go under the railway bridge.
Yellow markings
Immediately afterwards, turn right onto a fenced path running parallel to the railway line. Walk alongside a square and you will reach Fontenay-aux-Roses station (E).
To return home:
- RER - Line A, towards Robinson (direct access before the road bridge) or Paris (access after crossing the road bridge over the railway line).
Visorando member
Difficult 
Moderate 
