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Starting point and access: Isles-Armentières-Congis station.
- Transilien - Line P, on the section between Meaux and La Ferté-Milon.
Take the only exit, on the side of track 1, in the direction of Meaux to La Ferté-Milon (if arriving in the opposite direction, track 2, take the underground passage). Departure from Isles-Armentières-Congis station (Transilien line P, on the section between Meaux and La Ferté-Milon).
Red and white + yellow markings
(S/E) From the station, follow the road for about 150 metres as it climbs gently southwards.
(1) At a fork, take a smaller road on the right. A few dozen metres further on, turn right again onto Chemin des Bruyères. Pass a few houses and take a wide path that climbs gently towards the south-west. The path enters the forest and passes Château des Bruyères.
(2) Continue south-west, alternating between forest and field edges. You will reach a railway line.
(3) Turn left (south) and then, after about 100 metres, turn left again (east). Climb gently through the undergrowth.
(4) At elevation 105, turn right at a sharp angle and continue through the forest for just under 1 km.
(5) At an intersection located at the boundary of plots 59 and 60, turn right at a 90° angle. Walk north-west for about 750 metres, ignoring the perpendicular paths. At the crossroads at the boundary between plots 56 and 57, turn left. After a short descent, you will come to a crossroads (plot 56; bench).
(6) Then turn right at a 90° angle. Cross two bridges over railway tracks. Continue straight ahead (north-west) for another 300 metres or so.
No markings
(7) Leave the marked trail and take thefirst path on the left, which winds through the undergrowth (be careful to spot this start). You will come to a wide path, the Route de la Marche, and follow it to the right for about 50 metres.
Red and white + yellow markings
(8) Return to the markings and turn left (south-west) onto a narrower path.
Yellow markings
(9) At the end (plots nos. 15 and 16), turn right (leaving theGR® trail on your left). At the crossroads that you will soon come to, turn right again, then cross a road. Follow the Route de la Belle Laie, which descends gently towards Germigny-L'Evêque in a north-westerly direction.
(10) At the T-junction, turn left. At the next junction, continue straight ahead (north-west). The path gives way to tarmac and, at the end of the lane, turn right at the corner of the church. When you reach the church, turn left into Rue de l'Eglise. You will soon reach the left bank of the Marne.
(11) Walk along the Marne towards the bridge (west). At the bridge, take a path on the left up to a road. Turn right onto this road, cross the bridge over the Marne and continue on the D97.
(12) At a crossroads, turn right (towards "Le Vieux Moulin") then immediately left into Varreddes. Cross a small road and reach the D405, which you take on the right until you reach the Canal de l'Ourcq.
Red and white markings
(13) Take the path on the right (south-east) along the edge of the canal (do not cross it). Follow the canal, which is on your left. Pass through Congis-sur-Thérouanne.
No markings
(14) Join the road to pass the Congis lift bridge and return to the canal bank. A little further on, on the opposite bank, locate the Canal de la Thérouanne, which flows into the Canal de l'Ourcq, then cross the Pont des Carreaux bridge.
Yellow markings
(15) At the next bridge, find the markings again and continue along the canal.
Red and white markings
(16) At a small white building (Paris City Hall information board), leave the canal and turn right onto a path lined with plane trees. Go downhill, cross two perpendicular streets and reach the pumping station (signposted).
(17) Then turn right. At the next crossroads, turn left onto the D121E.
(18) Cross the Marne again and return to the starting point via the road that crosses Isles-les-Meldeuses (S/E).
Visorando member
Very difficult 
Moderate 
Association / Club / Walk leader
