Car park at the stadium next to the Foyer Rural Coopératif de l'Espérance at the entrance to Anneville-sur-Scie, Route de la Mer or Route du Cidre, exit Crosville-sur-Scie.
(S/E) Take the D3 towards Crosville-sur-Scie for 100 metres and turn into the first street on the left. Cross the railway line via the bridge, then turn right.
(1) Turn left uphill onto Route de la Chaussée and continue straight ahead until you reach the entrance to La Chaussée, Rue Pierre Batel.
(2) At La Chaussée, turn right onto Chemin de Radval.
(3) Cross over, continue straight ahead past the water treatment plant and go up the path to reach the D100 or Rue de la Cauchie. Turn right and continue to the hamlet of Bois Hulin.
(4) After the hamlet, turn right onto Chemin de Longueville and follow theGR®®210(white and red markings). Leave a path on your right.
(5) At theGR®® junction, continue straight ahead.
(6) At the intersection after the first houses, turn left onto Rue Madeleine Lefebvre and join Rue Berthet Burlet, which you should follow to the left. In the bend of the D100, turn right into Allée André Lebaudy and follow the sign for Château de Longueville-sur-Scie.
(7) Ruins of Gauthier Giffard's castle. After visiting the site, take theGR®® trail, which descends and runs alongside the old moat of the castle, leading to Rue du Vieux Château. Turn right, go up to Rue Guillaume Le Conquérant and then take the small road that climbs opposite.
Cross the D149, Rue Berthet Burlet, and go up Rue des Glycines. At the second road, turn left into Rue du Chant des Oiseaux.
(8) At the star-shaped intersection, continue to the right on theGR®® uphill and follow it to the T-junction.
(9) Turn left and continue to a new intersection.
(10) Turn right onto the path going uphill before the high-voltage power line and join a small road.
(11) Turn left, pass under the high-voltage power line and, before the bend in the small road, turn right. Continue on theGR®® trail along the edge of the Bois de la Porte Noire.
(12) At the D107, turn left towards Crosville-sur-Scie.
(13) At the T-junction, turn right onto Rue du Cou d'Oie.
(14) At the Y-junction, turn left and go down Rue Sous Le Bois. At the T-junction, turn right onto Rue de la Pommeraie and return to the intersection you passed at the start of the walk.
(1) Continue to the bridge over the railway line. Cross it to reach the car park (S/E).