Visit the mausoleum grounds and nearby stilt house; note the Mausoleum closes Mondays and Fridays and interior visiting hours are typically 08:00-11:00 and 14:00-16:00—check the schedule before you go.
Check in, have lunch on board, and start cruising among limestone karsts; cruises include cave visits, kayaking, and sunset views — boarding times vary by operator (midday common).
Coach transfer back to Hanoi (approx 3.5–4 hours) or private transfer arranged to catch afternoon flight to Hue — allow 4–5 hours transfer plus airport check-in time.
Stroll lantern-lined streets, visit the Japanese Covered Bridge and small museums (Ancient Town ticket covers 5 sites); many sites open ~08:00-22:00 though some close earlier.
Cruise narrow canals, visit orchards and workshops, and enjoy local specialties — typical stops include coconut farms and honey/beekeeping demonstrations.