Three to four days is ideal to explore major attractions including Hoan Kiem Lake, the Old Quarter, temples, and nearby day trips like Halong Bay or Ninh Binh.
Yes, Hanoi is generally safe for solo travelers, though exercise standard precautions against pickpocketing in crowded areas, avoid traveling alone late at night, and stay aware of traffic.
October to April offers the most pleasant weather with mild temperatures and lower humidity, making it ideal for sightseeing and outdoor activities.
Halong Bay is approximately 170 kilometers away; tourists can take organized tours with hotel pickup, hire private drivers, or use public buses departing from Hanoi's coach stations.
Local hospitals vary in quality. International medical evacuation costs US$50,000–100,000 without coverage.
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