Jet Lag, Luggage, and a 10-Hour Wait at CDG: The RER B to Châtelet Rescue Plan

Landing at Paris-CDG at 6 AM with your check-in not until 4 PM? Don't waste your day. This tactical guide reveals the savvy traveler's plan: take the direct RER B train to a private refuge in Châtelet to shower, sleep, and conquer Paris.