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Start
The hike starts at the car park opposite No. 39 Route de Chantilly in the village of Vaumoise (Oise).
(S/E) Take Route de Chantilly westwards for about 100 metres, then turn right at the crossroads into the street that descends into the valley.
(1) Turn right onto Rue des Moulins. Two hundred metres further on, you will pass a wash house.
Continue to the place called "Le Maroc".
(2) Continue left on the small tarmac road that runs between the buildings and the pond. It then runs along the left side of the valley for about one kilometre, then crosses it via the Pont l'Abbé bridge to run along its right side for five hundred metres to the Vallée de l'Automne. It ends at the D32 near the old Lieu-Restauré Abbey, which can be seen 200 metres to the right.
(3) Take the D32 to the right. You will pass in front of the old abbey. After a few hundred metres, you will see the Donjon de Vez towering over the Vallée de l'Automne.
(4) At the crossroads, turn left towards the Donjon de Vez (signposted). After 200 metres, turn right onto the path between two pillars. It climbs up to the entrance to the Donjon. Continue along Rue de la Croix Rebours.
(5) Turn right onto Rue de la Dîme. Continue along this road, then take Chemin du Coti Baillet, which is its continuation. After a descent followed by a right-hand bend, this road will take you back to the D32.
(6) Turn left and follow the D32 for one kilometre. Look out for a few houses scattered along the road. Turn right onto the path that descends into the valley at number 9 on this road (the number is on the wall to the left of the gate of a large building with a veranda that slightly overlooks the road).
(7) The path crosses the bottom of the valley and then climbs steeply towards Largny-sur-Automne, where it ends at Chemin de Warnac. Turn left onto Rue du Paty, then, at the end, right onto the D32 towards the church.
(8) Turn right at the corner of the cemetery onto Rue des Outhieux, which will take you back to Chemin de Warnac. Turn left and immediately go around the right side of the property "Le Clos des Chats Noirs" to continue along the path down towards the valley. This will take you to Moulin de Wallu.
GR® trail markers (red and white)
(9) Continue along the small road to the left. It ends at the N2.
(10) Cross the N2, then continue straight ahead.
(11) Cross the Automne river and continue to the Place de l'Église de Coyolles (approximately 1.2 km).
(12) Turn right onto Rue de Queue d'Ham, which continues down a path into a small valley. Stay on the right-hand path at each junction. The path climbs into the forest, then descends again to join a tarmac road in front of a railway level crossing.
Cross the level crossing and leave theGR® which turns left.
No markings
(13) Leave the tarmac road at the level crossing and turn right at an angle of about 45° onto an uphill forest track. At the next junction (after about 200 metres), turn left and continue straight on for 1.5 kilometres until you reach a large crossroads with a signpost in the centre (this is the Rond des Dames).
(14) Turn right onto the tarmac road, which will take you to a crossroads at the entrance to Plessis-au-Bois.
(15) Continue straight ahead on the road which, after a few bends over 800 metres, becomes straight. One kilometre further on, at the crossroads, cross it and walk another kilometre to the D88. This is the Carrefour d'Orléans (no sign on site).
(16) Turn right and follow the D88, which crosses the N2 after one kilometre.
(17) Cross the N2 (be careful, as traffic can be heavy). Continue straight ahead, then after passing under the railway bridge, turn right onto Route de Chantilly.
Another hundred metres or so and you will be back at the car park (S/E).
The walk is now over.
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Visorando member
Moderate 
Very difficult 
