No, there is no direct train service from Paris Gare du Nord to Disneyland Paris (Marne-la-Vallée Chessy). To travel between the two by rail, you must make at least one transfer. The most common and efficient method is to take the RER Line D (Green) or the Metro Line 4 from Gare du Nord to Châtelet-Les Halles, and then transfer to the RER Line A (Red) headed toward Marne-la-Vallée Chessy. This total journey usually takes around 45 to 60 minutes. Alternatively, if you prefer a bus option, the Disneyland Paris Express shuttle picks up passengers near Gare du Nord (usually on Rue de Maubeuge) at approximately 8:15 AM for a direct transfer to the parks, but this must be booked in advance and is tied to a park ticket purchase. For those with heavy luggage, the transfer at Châtelet can be cumbersome due to the size of the station, so many travelers opt for a private shuttle or a taxi which takes about 45 minutes depending on the notoriously heavy Parisian traffic.