Most cities scatter their sights and dare you to join them up. Valencia hands you the line already drawn. A nine-kilometre trench runs through the middle of the city, traffic-free and crossed by its old stone bridges, and almost everything worth four days sits on one bank of it or the other.
The trench is the bed of the Turia, and it is empty on purpose. On 14 October 1957 the river came over its walls and put the centre of Valencia under water; the official toll was put at more than eighty dead, and many Valencians have always held that the real figure was higher. The state's answer was the Plan Sur: cut a new channel through the fields roughly three kilometres south of the city and send the river down it. By 1973 the Turia was reaching the Mediterranean below the port, near Pinedo, and the old bed through the centre was dry and slated to become a motorway. The city fought that and won, and the channel became the Jardí del Túria instead — a park that runs from the Parc de Capçalera in the west to the Ciutat de les Arts i les Ciències in the east, with eighteen historic bridges arching over your head as you walk under them.
That single piece of hydraulic engineering is the reason a Valencia itinerary should be planned as a direction rather than a checklist. Four days is the honest number: three for the city, worked downstream, and a fourth for the lagoon the water now feeds. Three days is enough if you are disciplined. Two days means giving up either the sea or the old city, and you should give up the old city, because it is the part that survives a return visit best.
Why the riverbed decides the order
Valencia reads as a line, west to east, and the line has a gradient of age. At the upstream end you get the medieval walled city and the two gates that still face the water. In the middle, the nineteenth-century expansion, the markets and the modernista architecture. At the downstream end, Santiago Calatrava's white superstructures standing in the dry bed, and past them the port, the fishermen's quarter and the sand. Work in that order and each day hands off to the next. Work at random and you will cross the same park four times.
Getting between the days is easy and cheap. Metro line 10 runs from near the old city out to the City of Arts and Sciences and the Justice complex; the tram takes over for the beach and El Cabanyal; and single fares across the network are modest, usually around EUR 2 or less depending on zone, with rechargeable travel cards cheaper still if you are staying several days. The flat, uninterrupted park floor also makes this one of the few European cities where a rented bike is genuinely faster than the metro for medium distances. The municipal bike-share scheme, Valenbisi, sells short tourist passes, and there are private rental shops all along the northern edge of the old city.
One scheduling note that shapes everything: the big municipal markets trade Monday to Saturday mornings and shut on Sundays, and most close by mid-afternoon. Build your market mornings accordingly, and do not leave the Central Market for a lazy Sunday.