Lisbon works best when each day focuses on a compact area and leaves time for hills and viewpoints.
Day 1: Baixa and Chiado
Start with the central districts and nearby viewpoints.
Day 2: Alfama and the historic east
Use the second day for the oldest streets and elevated views.
Day 3: Belém and a flexible evening
Finish with the western riverfront and keep the evening open.
Avoid overusing trams
Use trams strategically rather than planning every journey around them.