Park in the Stade Louis Nivesse car park behind the church.
(S/E) Take the path opposite along the edge of the fields and continue until you reach Rue des Martyrs. Turn left onto this street, then continue left onto Rue Léon Gambetta. Turn right shortly after to walk alongside the fields. You will then reach Chemin des Bannis. Turn left onto this road and you will find a new crossroads near the castle.
(1) Turn right and walk along the buildings. You will reach Chemin de Lannoy. Turn left onto this road and after a few metres you will see the red and white markings forthe GR®121B. After a 90° left turn, you will reach a crossroads before Rue du Maréchal Foch.
(2) Continue until you reach this street, then turn right and follow it for a few metres. Pass under the power line and you will soon come to a crossroads.
(3) Continue straight ahead on theGR® trail, then turn left to walk along the Marque and then the Marais du Warlet. At the end, you will reach a footbridge.
(4) Take it to the left and join the railway bridge. Pass underneath and keep to the right onthe GR®, reaching the crossroads with Rue Pierre Sémard.
(5) Take it on the right, at the next crossroads with the D19 continue to the right. Reach the Marque.
(6) Leave theGR® here to cross La Marque and continue on the D19. A few metres further on, turn left onto the path that winds through the forest. Walk along a pond to reach the Marais de Bonance.
(7) Walk along it to quickly rejoin theGR®121B. Turn left onto it to return along the Marque to the crossroads you passed earlier.
(6) Follow the same route back to reach the crossroads at Rue Pierre Sémard.
(5) Turn right and walk along the fields to reach a group of houses on the left. Turn left here onto the path running alongside the field. Continue until you reach Rue Georges Clémenceau. Turn left, cross the railway line and you will reach the car park at Fretin station.
(8) Turn left, cross the car park and continue along the path that follows the car park. Then turn right onto Rue Max Dormoy to reach a car park on the edge of the Marais de Warlet.
(9) Walk along the marsh on the right, cross it via the footbridge, continue through the woods and return to theGR® crossroads you passed on the way there.
(3) Turn right and follow the same route as on the way there until you reach the junction with Rue Maréchal Foch.
(2) Turn right and follow the almost straight path along the edge of fields and woods until you reach a crossroads with perpendicular paths. Turn right then left onto Rue du Petit Marais. You will then arrive at a three-way crossroads.
(10) Turn right onto Rue de l'Abbé Bonpain and continue until you reach the Stade Louis Nivesse car park (S/E).



