Transcript
Planning three days in Lisbon? Keep each day in one area instead of crossing the city for every stop.
Use day one for Baixa, Chiado and the riverfront. It is a practical arrival day with time to settle in and enjoy a proper meal.
On day two, begin near the castle and work downhill through Alfama. That avoids turning the same hill into two separate climbs.
Give Belém its own third day. Choose the visits that matter most and keep time for lunch and the riverfront instead of stacking every interior.
For this route, compare a base near Baixa or Chiado. A central stay shortens the first day and keeps the longer transport hops straightforward. Walk within each neighborhood cluster, then use transit for the castle approach and the Belém journey. You do not need a car for this plan.
If Sintra is essential, swap it for one Lisbon day or add a fourth day. Do not squeeze it on top of the Belém outing. Open the free three-day Lisbon template and adjust the pace, stops and route notes without signing up.