Jouy Le Moutier – Lycée de l’Hautil v1.0
The Hautil massif is a vast hillock bounded to the south by the steep slopes of the Seine valley, to the east by the Oise valley, to the west by the Aubette, and to the north by the French Vexin plateau, near the new town of Cergy-Pontoise and about thirty kilometers north-west of Paris. Its summit is a plateau about 6 km long and 1 km wide.