Yes, for 3 or 4 days, if you like walking, viewpoints and the river

The best parts are free: the viewpoints, the old quarters, the river

Alfama is a lived-in neighbourhood, washing on the balconies

It suits least those who cannot manage hills or slippery pavements

Tram 28 and the famous queues disappoint; good timing fixes most

Least worth it in November, the wettest month; hardest in August

Lisbon or Porto? With a week, do both; the full answer in the guide