To go from Paris CDG International Airport, France, to downtown Paris at the Paris Marriott Rive Gauche Hotel & Conference Center near Montparnasse Train Station by car, follow the "Paris Est" signs to the "Porte d'Orleans". Take the road called "Avenue du Général Leclerc" to the "Denfert Rochereau" square. Take a right turn onto the "Boulevard Saint Jacques". The Paris Marriott Rive Gauche Hotel and Conference Center hotel near Montparnasse is situated on number 17. This downtown hotel in Paris, France, features underground car parking.