Luís I Bridge

The upper deck: the view, beside the trains

The upper deck is 395 metres long and carries metro line D on two tracks down its centre with a walkway on each side; it has been closed to cars since 27 June 2003 and the metro has run over it since 18 September 2005. You walk beside the trains, separated by a low barrier, roughly sixty metres above the river — the Wikipedia infobox prints 70 metres for the structure, and no operator publishes a deck height, so 'about sixty' is the honest figure — with the Ribeira and the Gaia lodges spread out below on either side. It is the most photographed hundred metres in Porto and it knows it: from mid-afternoon to sunset in summer the walkways are shoulder to shoulder, and the west side, facing the river mouth, is the one everybody wants.

Start it from the Porto end. The Porto end is at the Sé, the cathedral, on the plateau above the Ribeira; you arrive by the steps from the quay, by Rua Escura or Calçada de Vandoma, or by metro line D one stop from São Bento to the São Bento platform, which sits at bridge level. Cross towards Gaia with the river on your right, and the deck lands you at Jardim do Morro, the garden and viewpoint under the Serra do Pilar monastery — the monastery itself is closed for works with no date, the terrace outside it is open — with the Gaia cable car's upper station a minute away.

The lower deck: the crossing to the lodges

The lower deck is 172 metres, the span of the arch, at quay level; it carries a road with a narrow pavement each side and lands you in ten minutes from Praça da Ribeira on the Cais de Gaia, at the door of the first port lodges — Sandeman and Cálem are the closest, and the port wine cellars page has the hours and the booking rules for each. It is the working crossing: the view is of the arch overhead and the water beside you rather than the city laid out, the pavement is tight when a bus passes, and it is never crowded. Cross it on the way back from Gaia when the light has gone, or on the way over if the lodges are the point and the view is not.

The loop

Over the upper deck from the Sé to Jardim do Morro, down to the quay by the cable car or the zigzag path through the garden, along the lodges and back over the lower deck to the Ribeira: an hour without stopping, two with a cellar visit, and the only sequence that gives you both views without repeating either. Reverse it in the evening — lower deck over, lodges, cable car up, upper deck back — and the last crossing puts the sunset behind the arch.

The upper deck sits about sixty metres above the quay, and the Porto side of that climb is what the funicular used to do. With it shut, there are four ways up, and the table gives them; the metro is the one to remember, because it puts you on the deck itself rather than at the top of a staircase near it. On the Gaia side the cable car does the same job at $8.14 (€7) one way and is running on its seasonal timetable, 10:00 to 20:00 from late April to late September; the zigzag path through Jardim do Morro is the free alternative and takes about eight minutes.

When the funicular reopens, its fare is $4.65 (€4) one way and $6.97 (€6) return from STCP Serviços' tariff, not the €2.50 that most guides still print; it is not covered by Andante titles, and neither are the heritage trams. The getting around page tracks the closure.

The arch spans 172 metres, which at its opening in 1886 was the longest iron arch of its type in the world; the upper deck is 395.25 metres end to end, the lower deck 172 metres, the same as the span. The infobox gives the height as 70 metres and the vehicular width between the walkways as 8 metres; the figure visitors want — how far the upper deck is above the water — is not printed by anyone official, and the 60 metres most guides give is consistent with the 70-metre structure and a deck below its crown. We print it as 'about sixty' and nothing more precise.

The cost was 369,000$00 réis. The designer was Théophile Seyrig, a Belgian engineer who had been Gustave Eiffel's partner on the Maria Pia railway bridge a kilometre upstream a decade earlier, and the builder was the Société de Willebroek of Brussels; the two bridges are often confused, and the Eiffel one is the single-deck rail arch you see upstream, not this one.

Before the iron there were boats. The Ponte das Barcas, a pontoon bridge of twenty boats chained together, crossed here from 1806, and on 29 March 1809, as Marshal Soult's French army entered the city, it collapsed under the crowd fleeing across it; the dead are commemorated on the Ribeira quay and the story is told on the 1809 bridge disaster page. Its replacement, the Ponte Pênsil of 1843, was a suspension bridge whose granite pylons still stand at the Porto end of the lower deck — the meeting point of the port wine walking tour, which tells you to look for 'the big granite pillars of the old Ponte Pensil'.

The iron bridge was the third. Théophile Seyrig's design won the competition, the Société de Willebroek began work on 21 November 1881 and finished on 30 October 1886; the upper deck was inaugurated on 31 October 1886 and the lower deck the following year, and the whole was named for the reigning king, Luís I. It carried road traffic on both decks for over a century — the 1954 works under Edgar Cardoso adapted the lower deck — until the upper deck was closed to cars on 27 June 2003 to be rebuilt for the metro, which opened over it on 18 September 2005. The lower deck closed for repairs in October 2021 and reopened in April 2023 with restrictions on private traffic. It has been a National Monument since 26 February 1982 and part of the UNESCO Historic Centre of Porto since 1996, whose listing names it and the Serra do Pilar monastery specifically.

The one fixed closure is São João. On 23 June, the night of Porto's festival, the bridge shuts to everyone from 12:00 until 04:00 the next morning so the fireworks can be fired from the river between it and the Arrábida bridge — the display starts at midnight and runs about twelve minutes, per the city's 2026 programme in the events calendar. The decks are the best seat in the city for the fireworks and you cannot be on them; the quays on both banks are where the crowd goes.

Maintenance windows recur. The notice for 18 May to 6 June 2026 had the metro running single-track over the bridge on weekday nights from 22:10 to 01:00, and it stated that the pedestrian passage on the upper deck was 'always guaranteed'; that is the operator's standing line, and it is the reason we can say the walkways stay open through works. Other big events — the marathon on 8 November 2026 crosses the lower deck — close a deck by notice for hours, not days.

What is not published: whether cycling on the upper walkway is allowed (it is narrow and busy, and the e-bike tours walk the bikes), which side to walk on, and any limit on numbers. Treat the west walkway as the slow lane and the east as the through route, because that is how it sorts itself.

- It is not Eiffel's. Théophile Seyrig, Eiffel's former partner, designed it; Eiffel's Porto bridge is the Maria Pia rail arch upstream, opened in 1877. The two are confused on half the postcards. (Dom Luís I Bridge, Wikipedia, read in Q3 2026) - The pylons at the Ribeira end are a different bridge. The granite piers beside the lower deck's Porto landing are what remains of the Ponte Pênsil, the 1843 suspension bridge this one replaced; a walking tour uses them as its meeting point.

(Wikipedia; the port wine walk's listed meeting point) - Cars ran on the top deck until 2003. The upper deck was a road for 117 years; it closed to motor traffic on 27 June 2003 and the metro opened over it on 18 September 2005. (Wikipedia) - The walkways stay open through the metro works. Metro do Porto's maintenance notice for 18 May to 6 June 2026 states that pedestrian passage on the upper deck is 'always guaranteed'; the one night it is not is 23 June. (metrodoporto.pt notice, read in Q3 2026) - Nobody official prints its height above the water. The 60 metres in every guide is a reading off the 70-metre structure; the operator publishes notices, not dimensions.

(Wikipedia infobox; metrodoporto.pt)

At the Porto end the Ribeira terraces on Cais da Ribeira and Praça da Ribeira face the arch; at the Gaia end the Cais de Gaia terraces face the Ribeira, which is the better view, with the lodges behind them. Neither quay's restaurants appear on a citable list we can print with a year, so none is named here; the where to eat page names the Michelin 2026 and Bib Gourmand addresses in the city and the certified gluten-free bakeries, and the lodges themselves — Graham's, at the far end of the Gaia quay, with its lunch and dinner at $162.70 (€140) and $313.80 (€270) on 48 and 72 hours' notice per its own page — are the one dining with a printed price on this walk. For a bench and a bought sandwich, Jardim do Morro at the upper deck's Gaia end is the place the city itself uses.

The bridge is the seam between the two halves of a Porto day, so cross it at the moment the day changes sides. The old town morning — São Bento at 08:30, the Sé at 09:00, the Bolsa and the Ribeira by lunch — ends at the foot of the lower deck; walk over it and the afternoon is the lodges, with Taylor's needing no booking and Cockburn's and Graham's needing one. Come back at the end of the afternoon by the cable car to Jardim do Morro and the upper deck, which gives you the sunset crossing and the fastest way home, metro line D from the far end.

If you want it narrated, the three-hour highlights walk crosses the upper deck in the morning and the e-bike tour rides it; if you want it from below, the two-hour cruise at sunset is the boat and the fifty-minute loop is the budget. The one-day itinerary puts the crossing at 15:00; the two-day plan gives Gaia the whole second afternoon.