Hanoi can feel overwhelming in the first hour, with its rivers of scooters, its pavements given over to parked bikes and tiny stools, and its noise. Give it a day and it becomes one of the most rewarding cities in Asia: walkable, affordable, full of history and some of the best food anywhere. A little planning helps you see the best of it, and of the north beyond. Here is how to shape a first visit.
When to go
Autumn, from October to early December, is the sweet spot, with dry, mild days and clear skies after the hot, humid and stormy summer. November 2026 is a good time to come for another reason: the Ho Chi Minh Mausoleum reopened on 3 November after its two-month restoration closure. Winter, from December to February, is cool and often grey, and spring brings drizzle and mist. The weeks around Lunar New Year are festive but many family-run businesses close for several days.
How many days
Three full days in the city covers the essentials, and most visitors add one or two day trips. Four or five days lets you see Hanoi at an easy pace, spend one day on Ha Long Bay and another in Ninh Binh. With a week, add Mai Chau or an overnight cruise.
What to book ahead
Book the day trips first, since they set the rhythm of your stay: the Ha Long Bay day cruise and the Ninh Binh tour with Hoa Lu, Tam Coc and Mua Cave both pick up in the Old Quarter and offer free cancellation up to a day before. Book the evening Vespa food tour for your first or second night, so you know what to order for the rest of the trip. Water puppet tickets can be bought at the theatre earlier the same day, and the Lotte Observation Deck ticket is nonrefundable, so buy it once you can see the weather. The Temple of Literature, Hoa Lo Prison and the mausoleum need no advance booking.
Getting around
The Old Quarter and the French Quarter are best on foot. To cross the road, walk slowly and steadily without stopping or running, and let the scooters flow around you. For longer trips, ride-hailing apps such as Grab are cheap and avoid haggling, and metered taxis from reputable firms are fine. A cyclo ride around the lake is fun once, but agree the price first. Noi Bai airport is around forty-five minutes from the centre.
Where the headline sights fit
Day one: Hoan Kiem Lake and Ngoc Son Temple in the morning, the Old Quarter at walking pace, Hoa Lo Prison in the afternoon and the Vespa food tour at night. Day two: the Ho Chi Minh Mausoleum early, since it opens in the morning only and closes on Monday and Friday, then the stilt house, the One Pillar Pagoda and the Temple of Literature, and the Lotte Observation Deck at sunset. Day three: Ha Long Bay. Day four: Ninh Binh. Day five: a slow morning by West Lake and a water puppet show in the evening. Families can swap in the Vinpearl Aquarium at Times City on a rainy day.
Temples and manners
Cover shoulders and knees at pagodas, temples and above all the mausoleum, where the dress code is strict and there is no loan clothing. Take your shoes off where others do, speak quietly in sacred places and ask before photographing people.
Money and safety
Vietnam uses the dong, and many notes look alike, so count carefully. Cards work in hotels and malls, but street food, markets and taxis need cash. Hanoi is a safe city, but keep your phone away from the kerb, where bag snatching from scooters happens, and drink bottled water.