Classic Hanoi pho near the Old Quarter; fresh, cheap, and a great first taste of local breakfast culture. Many pho stalls open early (approx 6:00am–11:00am).
Explore narrow streets, colonial architecture and the lakeside — relaxing and orientation-friendly; Hoan Kiem Lake is accessible 24/7, Ngoc Son Temple has a small ticket and is open ~8:00–17:30.
Traditional sampan through rice fields and karst scenery; boat services typically operate 7:00–17:00 and cost very little; best to go before mid-afternoon for quieter waters.
Visit the Japanese Covered Bridge, Chinese assembly halls and historic merchant houses; some attractions are ticketed with local opening hours ~8:00–21:00.