From NANTES ring :
Go by exit 48 at "les Saurinières", direction the A83 motorway towards LA ROCHE SUR YON / NOIRMOUTIERS, then the D178: ST-PHILBERT-DE-GRAND-LIEU, MACHECOUL, then direction CHALLANS. In CHALLANS, direction LES SABLES D'OLONNE on the D32.
Travel approximately 8km... You will arrive at a large roundabout, COMMEQUIERS on the left, NOTRE DAME DE RIEZ on the right:
(the Renardières are beginning to be indicated there).
Then go 4 km, "chemin du chêne vert" is on the left, just before the sign entering the village.

From La ROCHE SUR YON :
Coming from ANGERS / LE MANS: leave the A87, follow the ring road (D160) then exit towards NOIRMOUTIER on the D 948.
In AIZENAY, follow CHALLANS then turn at ST CHRISTOPHE DU LIGNERON and follow COMMEQUIERS on the D754. Cross this village.
You arrive at the roundabout on the Route des SABLES D'OLONNE.
Cross opposite towards NOTRE DAME DE RIEZ. Turn right at the "Olivier" roundabout at the entrance to the town. The "chemin du chêne vert" is located on the right after the town exit sign.

From LES SABLE D'OLONNE :
Join the D32 towards CHALLANS. At the COMMEQUIERS roundabout,
turn left towards NOTRE DAME DE RIEZ.

Have a good journey !!