(S/E) Depart from Place de Watten (pronounced Watte). Cross Rue St-Antoine and take Rue des Alliés, which turns right, then turn left onto Rue du Général de Gaulle at the top of the square. Walk to and cross the Pont de Watten bridge.
(1) Turn left onto Rue de Saint-Omer to follow the canalised Aa river. This continues along Rue Pascal Leulliette for 1.8 km from the bridge.
(2) At Pont de la Houle (blue sign), take the stairs on the right and follow Chemin de la Houle and then Chemin du Halage until you pass under the D300 road bridge and continue for another 300 metres.
(3) Turn right onto the path. Join Rue de Vincq and follow it to the right. Turn left onto Rue du 26 Mai 1940 along the D300 and continue along Rue D'Hellebrouck until you reach No. 55.
(4) Turn right onto Rue du Nouveau Chemin, then left onto Rue d'Estabergue until you reach the cross at the end. Turn right onto the D207 Rue du Cluse. At the end, continue left and then immediately right onto Rue de Graverweche. Followthe GRP® de l'Audomarois to the end. Turn left onto Rue des Sarts in the Sarts neighbourhood, then right onto Rue du Fort Vesques.
(5). Pass in front of the Eperlecque blockhouse and continue along Rue du Fort de Vesques. Pass under the D300 bridge and keep to the left.
(6) Turn right onto Route Saint-Gilles, cross the railway line, continue straight on Rue Paul Mortier until you reach the canalised Aa river and follow it on the right.
(1) Cross the bridge on the left and you will be back on Rue du Général de Gaulle. Continue to the Grand Place (S/E).