(S/E) The hike begins at the café-grocery store in the village of Mareuil-Caubert, going down Rue Maillefeu on the left towards the ponds. Follow the red and white markings ofthe GR® 800.
Follow theGR® 800 to a tarmac road.
(1) Take this road on the left, which further on turns left.
(2) Follow this road, which becomes a dirt track and runs alongside the ponds.
Cross the railway line (be careful) and continue straight ahead towards the Marais d'Épagnette. Cross a small wooden bridge.
(3) After the bridge, follow the grassy path on the right that goes around the Marais d'Épagnette.
(4) When you reach the first wooden barrier, take a small grassy path on the right that leads to the Somme towpath. When you reach the banks of the Somme, continue to the right.
(5) At the first bridge, cross the road and continue along the towpath.
(6) At the second bridge, leave the towpath and take a tarmac road on the right for about 500 metres. Cross the railway line again (take care).
(7) Leave this road when it turns left and take the path opposite.
You will rejoin theGR® 800. This path goes around the marshes of Bray-lès-Mareuil. Follow this path to the entrance to Bray-lès-Mareuil.
(8) Continue along Rue des Marais, which extends the path to the end, and turn left towards the church via Grand Rue.
(9) When you reach the church, cross the D3 (take care) and continue straight on along Rue du Bois Jean de Bray until you reach a fork where there is a calvary.
(10) At the calvary, take the dirt track on the right that runs alongside the Bois de la Morue.
(11) At the first crossroads, take the path on the right, which becomes a small tarmac road leading down to Mareuil Caubert.
(12) At the bottom of this road, turn left and continue along the main road or D3 (take care) until you reach the café-grocery store (S/E).
