Park in the car park of the Collège des Hautes Rayes.
(S/E) Head south towards Chemin des Beauregards. After the 90° left-hand bend, you’ll come to a crossroads.
(1) Continue straight on, following Chemin des Beauregards, until you reach Herblay. You will come to a T-junction.
Turn right to reach the junction with Chemin de Conflans.
(2) Turn left onto this road when you reach the tarmac road, and follow it for about 400m. Pass a roundabout, then find a path starting just after a new housing estate.
(3) Take the path on the right until you come out onto Avenue Foch.
(4) Turn left and walk along this avenue, which continues as Avenue du Général Leclerc. You will reach the junction with Sente des Larris.
(5) Turn right onto this path and go down the steps to Rue des Grosses Eaux. Turn left onto this street and continue to Rue du Val.
(6) Turn left onto this street, follow it for about a hundred metres, then turn right onto a small path leading up towards the church. Walk past the church to reach Chemin des Côtes de la Frette, which continues as Rue des Frères Bolifraud.
Alternative route: Turn right onto Rue du Val and head down towards Quai du Génie (Maison du Passeur)
(7) At the end of this street, continue along the Sentier du Haut des Côtes d'Herblay until you reach Rue Jean Lefebvre in La Frette-sur-Seine.
(8) Turn right to head down to the Seine and reach the riverbank.
(9) Turn right onto the Quai de Seine. Follow the banks of the Seine to Conflans-Sainte-Honorine. The Quai de Seine becomes the Quai du Génie, then the Quai de Gaillon, before reaching the junction with the Sente des Laveuses.
(10) Turn right to head up Sente des Laveuses, cross Avenue de Bellevue and continue along Sente des Laveuses.
At the junction with Chemin des Bournouviers, continue straight on to reach the first crossroads.
(1) Follow the route taken on the way there, in the opposite direction, to reach the car park at the Collège des Hautes Rayes. (S/E)