Park in the car park near the pumping station on the bypass road leading off to the left at the village exit towards Ochey.
(S/E) Head north on Chemin Gérard Bouchier. This path follows the Vau de la Tournepierre. Continue to the crossroads before the Ancienne Fontaine du Fau Grimbard.
(1) Turn right for 50 metres, then turn left along the edge of the forest and enter the valley called Vallée des Foins. You will reach the road connecting Ochey to Crézilles at the Vaux des Ainés crossroads.
(2) Turn left onto the road, then quickly turn right, continuing along the path at the bottom of the valley towards the Chahalot stream. Arrive at the crossroads by the stream and admire the magnificent old oak tree.
(3) Cross the bottom of the valley and take the path on the right that leads to the Chahalot resurgence.
(4) From the resurgence, return to the previous crossroads.
(3) Turn right and you will come to the junction with a wider track in the Bois de Crézilles.
(5) Turn left onto this straight track, which crosses the tarmac road and then turns right at a right angle to join another track.
(6) Take this new track on the left, which also turns at a right angle. You will soon come to a crossroads.
(7) Take the path on the left, quickly veering right to cross the Bois de la Cognelle, then turn right again to reach the edge of the woods.
(8) Turn left and walk along the edge of the woods, passing the Ancienne Fontaine du Fau Grimbard fountain, then return to the original crossroads.
(1) Opposite, take the same route you took on the way there to return to the car park near the pumping station (S/E).