Park in the car park at the end of Rue des Plaideurs in Lacroix-Saint-Ouen.
(S/E) Head east on the path opposite, following the arrow for Promenade du Puits du Roi au Vivier Corax, until you reach Carrefour des Plaideurs.
(1) Turn left onto Route du Pont de la Reine. Continue along this road until you reach a new crossroads, Puits du Roi.
(2) Turn left onto the straight road to Royallieu. You will soon reach the Bray crossroads.
(3) Turn left onto Route du Vivier Corax, which leads to Carrefour des Chambres du Vivier.
(4) First turn right then left onto Route des Chambres du Vivier, which intersects Route de la Gouvernante at a right angle.
(5) Turn left onto this road and continue until you reach the forest house. Continue straight ahead until you reach Ru des Planchettes.
(6) Cross this small stream, turn left following a sign with a frog on it. You will reach a path with wooden pontoons and information panels about the local flora and fauna. Continue right along the path until you reach the junction with Route des Languignons.
(7). Turn left, then very quickly turn right onto the previous Route de la Gouvernante. When you reach the gates of Lacroix-Saint-Ouen, turn left onto the path that leads back to the car park where you started (S/E) Rue des Plaideurs.