Go to Adventure from Paris :

- West ring
Km 0 - Porte d'Auteuil : motorway A13 to Versailles/Rouen           
Km 12     - Direction de Evry/Lyon/Dreux
Km 17     - near the St. Cyr l'Ecole airfield, keep right
Km 18,5   - take N12 to Dreux
Km 18,8   - keep right, direction N12 Dreux
Km 19,5   - stay on N12 always to Dreux
Km 35,4   - Exit direction Méré/Thoiry/Montfort l'Amaury
                -1° roundabout, go straight
                -2° roundabout, go right, direction Thoiry
Km 36     - After the tunnel, Adventure is on your right handside