This 4-day, 3-night tour explores the culture and landscapes of northern Vietnam, including Hanoi, Lao Cai, Bac Ha market, and Sapa. Day 1 includes a night train from Hanoi to Lao Cai. Day 2 features the Bac Ha Sunday market and travel to Sapa. Day 3 includes a scenic trek through hill tribe villages and a night train back to Hanoi. Day 4 concludes with arrival in Hanoi. The itinerary provides details on included activities, meals, transportation, and accommodations.