Start from the car park on Rue Jules Weppe.
(S/E) With your back to the Beuvry Canal, head left, then turn left twice, and follow the canal to Rue François Galvaire.
(1) Turn right onto this street and continue straight on until you reach the entrance to the Maison de la Poésie and the entrance to the marsh.
(2) Turn left, enter the marsh and keep to the right, then walk to the observatory and back.
(3) Turn round, then continue to the right and follow the path.
(4) At the junction, turn left. At the end, turn left onto Rue de Bellenville (GRP®) and follow it to the fork.
(5) Leave the GRP®. Turn right, then at the next fork, follow the path on the right until you reach Rue Gorre.
(6) Follow it to the left; at the end, turn right onto Rue Chafflaine. At the end of this street, turn left onto Rue Haute, heading towards the Canal d’Aire à la Bassée and the railway line. The street then turns left and comes to a road junction.
(7) Cross Rue Basse and continue straight ahead to Rue Mélot.
(8) Turn right twice and walk alongside the Canal de Beuvry. Pass under the railway bridge, then cross the bridge over the canal to reach the bank of the other canal.
(9) Turn right, then follow the Canal de Beuvry again for 1.6 km until you reach the end of the path.
(10) Turn left, take the path uphill, carry on straight ahead and head for the car park (S/E).