Highlights of the route Notre Dame de Paris The Parc de Sceaux The Chevreuse Valley Le château Saint-Jean de Beauregard The Château de Rambouillet The Château de Maintenon and its Aqueduct Chartres, Capital of Light Marcel Proust and Aunt Léonie's House The Castle of the Counts of Perche The Perche Regional Nature Park and the Manoir de Courboyer Carrouges Castle The Thermal Spa Resort of Bagnoles-de-l'Orne Magical Mont-St-Michel