(S/E) Departure from Place de Mers-les-Bains.
Go to the roundabout on the left. Follow Rue Julien Hedin to reach Esplanade du Général Leclerc.
Follow the esplanade on the left. At the end, follow Avenue Foch until you reach the D1015. The Mers train station is on your left.
(1) Pass in front of the station, Place Pierre Sémard. At the end of the street, turn left and continue for 50 metres.
Go over the lock and join the roundabout on the left. Follow Quai Édouard Gelée on the left and go along the marina.
(2) At the end of the quay, take the mobile bridge on the right. After crossing, take the path on the left that runs along the canal on the right. At the end of the path, turn left and continue for 40 metres.
(3) Follow the path on the right. You are now in the Marais Sainte-Croix (see sign). The path runs alongside the Ancien Canal de Penthièvre on your right. Continue and follow the path on the left before reaching the D925 road. After 100 metres, take the footbridge over the Bresle.
(4) Turn right after the footbridge and go under the bridge.
Follow the path along the river on your right for 600 metres. Before the school, turn left (signposted Chemin des Étangs). Turn right into Rue Adolphe Galy. At the end of the street, continue right onto Avenue de la Gare and go straight ahead.
(5) Cross the Busine river and continue along Avenue de la Gare. Continue for 150 metres, cross the Bresle bridge.
(6) Turn right and follow Boulevard Hélène for 120 metres. You will see the Jardin des Fontaines on your right. Continue to Rue des Fontaines and turn right. Continue along Route de l'Abbé Cochet. You will see the castle on your left. Continue along the road, which turns left and joins Allée des Guises. Pass the castle gardens on your left.
(7) In front of the castle, turn right and then left into Allée du Cheval. You will see the equestrian statue of the Duke of Orleans on your right. Cross the car park,
(8) Turn left in front of the collegiate church (visit the crypt). Turn right after the collegiate church and go around it on the paved path. At the Place d'Orléans below, follow Rue de l'Abbaye to the left.
Continue to the intersection, turn right and go under the archway after descending a few steps
(9) You are now at the Hôtel Dieu (1658). Cross the park and exit. Turn left, then right to follow Rue Charles Morin. At the first intersection, turn left onto Boulevard Hélène until you reach the bridge over the Bresle.
(6) Turn right onto Boulevard Hélène until you reach the next bridge. Cross the bridge to the left, follow Rue Digue Catrix and then continue along Rue La Busine (the name of the river on your left).
(10) The street turns 90° to the right; continue to join Rue Chaussée de Picardie. Turn left and, after 200 metres, you will reach a roundabout. Turn right and cross Route de Gamache.
(11) Follow Chemin de Saint-Laurent des Pèlerinages and immediately after, continue on the main road which climbs for 600 metres.
(12) At the top on the right, you will see the Chapelle Saint-Laurent. Turn left and after 500 m you will come to a three-way junction. Continue right on the paved road for 1,300 m, passing under a power line.
(13) Cross the D925 (be careful of traffic). Take the road opposite and, after 30 metres, turn onto the path that branches off to the right. At the intersection, continue straight ahead on the path. After 700 metres, leave the path on your left and continue straight ahead.
(14) At the intersection in Saint-Quentin-la-Motte, take Rue Henri Dunant opposite. At the end of the street, turn left onto Rue du Stade. At the crossroads, continue straight ahead onto Ruelle du Charron. At the end of the lane, turn left onto Rue de Bas and, after 50 metres, turn right onto Rue de l'Église.
(15) After 80 metres, turn left onto Allée du Château. Continue straight ahead for 600 metres until you reach Ruelle Bisgaret, which turns right onto Rue André Delignières. Turn left.
(16) After the bend, take the first right, Ruelle du Moulin, which becomes a path after 300 metres. Continue straight ahead. At the intersection, turn left and follow the path for 500 metres to join the D940.
Follow the D940 on the right. After 150 metres, follow the D940E on the left towards Bois de Cise.
(17) After 250 metres, take the path on the left, then turn right to follow the Bois de Cise, Chemin du Grand Mont. After 250 metres, turn right onto Sentier des Pervenches, then turn left onto the second road, Route du Vieux Chêne. After 50 metres, take the small path on the left, Allée Marie.
Follow this path for 1,200 metres and at the sixth intersection, turn left onto Allée du Muguet.
Follow this lane to the top, then turn right.
The passage is closed at this point, but it is still possible to pass through.
(18) Continue to the viewpoint 200 metres ahead. Continue on your left to follow theGR® trail that runs along the cliffs.
The barrier crossings are clearly marked (you will need to climb over them).
Follow theGR® trail, which is well marked. Do not stray from the trail at any point, as there is no fence between you and the edge of the cliff. Be careful, as some of the valley paths are very slippery when wet.
You will arrive at a viewpoint. You will see Mers-les-Bains below and the statue of Notre-Dame de la Falaise on your left.
(19) Descend to Mers-les-Bains and join Rue de la Falaise, which you follow to the right.
(20) At the church, take the steps on the right that lead down to Rue de Jules Barni. Follow this street, which will take you back to the starting point (S/E).
