East shore
Tran Quoc is cooler at dawn; Quan Thanh and Trinh Cong Son cafés stay on the east-shore walk. Thanh Nien separates West Lake from Hoan Kiem — once on the lake, do not binge back into Thirty-Six Streets. Shorten exposed shore walks in storms.
North shore
North shore: pick Xuan Dieu dinner or Quang Ba dawn flowers + seafood — one main. Do not stack dawn Quang Ba + Xuan Dieu night + Old Quarter bia hơi. Back from Halong and sleeping at West Lake: one shore meal only — no Beer Street.