The port cellars are not in Porto. They are in Vila Nova de Gaia, a separate municipality on the south bank, and the wine has been aged there since the eighteenth century because the north bank was too warm and the monopoly rules said so. Crossing the bridge is a ten-minute walk and it is the single thing that organises a day here.

The bridge, on the top deck

The Dom Luís I bridge opened in 1886 with a wrought-iron arch spanning 172 metres, then the longest of its kind in the world. It was designed by Théophile Seyrig, who had been Gustave Eiffel’s partner, which is why people keep attributing it to Eiffel and are wrong. Eiffel built the railway bridge upstream, the Maria Pia, in 1877.

Two decks, both walkable. The lower one runs beside the traffic at quay level. The upper one carries the metro and a footway 60 metres above the water, and that is the one to take, because you come out of it directly at the Serra do Pilar monastery viewpoint on the far side.

Do not do the upper deck if heights bother you. There is a railing and there is a lot of air below it.

Port, properly

Port is wine whose fermentation is stopped early by adding grape spirit, which leaves the sugar in and pushes the alcohol to around 20 per cent. The grapes come from the Douro valley 100 kilometres inland, the first demarcated wine region in the world, marked out in 1756.

Ruby is aged in large vats, stays red and fruity and is bottled young. Tawny is aged in smaller barrels for ten, twenty, thirty or forty years, goes brown and tastes of nuts and dried fruit. White port exists and is drunk cold with tonic, which locals do all summer and visitors never expect.

Most lodges in Gaia run tours ending with a tasting, typically 15 to 30 euros in September 2026, with the cheapest houses at the lower end and the grand names well above it. Book the small ones. The big names process coach parties on a conveyor belt and the tasting is two thimbles.

The flat-bottomed boats moored on the Gaia quay are rabelos, which carried the barrels down the river until the dams went in during the 1960s. They are decoration now and they are photographed constantly.

The bookshop with the entrance fee

Livraria Lello opened in 1906 with a neo-Gothic interior, a stained-glass ceiling and a red staircase that curves and splits. It became so crowded with people photographing the stairs that in 2015 the shop started charging admission, currently 10 euros, redeemable against a book.

The J. K. Rowling connection is repeated everywhere and she has said she never went in. The shop is worth seeing anyway, and the ticket at least means the queue moves.

Go at opening or in the last hour, or accept forty minutes on the pavement.

The tiles, and the station

São Bento railway station has an entrance hall lined with about 20,000 azulejo tiles, painted by Jorge Colaço between 1905 and 1916, showing Portuguese battles and rural scenes. It is a working commuter station, it costs nothing, and most people walk through it in twenty seconds without looking up.

The Carmo church next door has an entire side wall in blue and white tile, 1912, and the trick is that what looks like one church is two, with a house barely a metre wide wedged between them because canon law forbade a shared wall.

Eating, and the francesinha

A francesinha is bread, steak, sausage, ham and cured meat, covered in melted cheese, drowned in a hot sauce of beer and tomato, and usually topped with a fried egg with chips around it. It was invented in the 1950s by a returning emigrant adapting the croque-monsieur, and it is a serious commitment at lunchtime.

Every local has a favourite place and none of them agree. The sauce is what the argument is about.

The lighter option is the Mercado do Bolhão, restored and reopened in 2022 after five years of works, where you can eat bacalhau, tinned fish that is genuinely good and genuinely expensive, and pastéis de nata that Porto makes as well as Lisbon does.

Tripe is the other local dish, tripas à moda do Porto, and the people of the city are nicknamed tripeiros because of a story about giving away all their meat to a fleet in 1415 and keeping the offal.

The coast, once the light goes orange

Tram line 1, running wooden cars from the 1930s, goes from the riverside at Infante out along the Douro to Foz, where the river meets the Atlantic, in about twenty minutes. There is a lighthouse, a rough beach, and a long promenade that Porto walks on Sunday evenings.

The water is Atlantic and cold, around 17 degrees in August, and swimming in it is a short and bracing experience rather than a long one. The sea pool at Leça, designed by Álvaro Siza in 1966 and cut into the rocks in raw concrete, is the reason architecture students come to Porto, and it is still an ordinary public pool where families go.

The Alfa Pendular reaches Lisbon in around three hours, and the sleeper across the border used to be the standard way into Madrid before it was cut.

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