Barcelona’s hidden aqueducts are undergoing a remarkable transformation, turning forgotten industrial relics into new public parks and pedestrian bridges.

According to a report in El Nacional, the city holds a surprising heritage of historic water channels, with half a dozen visible structures scattered across its districts.

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Most are concentrated in the Nou Barris district, particularly in the peripheral neighbourhoods of Torre Baró and Ciutat Meridiana.

Barcelona’s Hidden Aqueducts Find New Life

These structures, remnants of 19th-century projects like the Dosrius and Alt de Montcada aqueducts, were built to supply water during the industrial revolution. Consequently, they have long been overlooked. A municipal policy is now actively revaluing them, however, integrating them into green spaces and planning new uses. The most accessible example is in Nou Barris Central Park, where a restored aqueduct features a walkable upper passarelle and a pond below.

Meanwhile, the most ambitious recovery project concerns the spectacular ‘Pont dels Tres Ulls’ (Bridge of Three Eyes) in Trinitat Nova. This early 20th-century structure, with three circular eyes up to ten metres in diameter, was buried in the 1970s for safety. Furthermore, it was geolocated and partially excavated in 2015, yet a full restoration remains a pending project a decade later.

Another impressive section towers above Ciutat Meridiana, now serving as the dramatic backdrop for the 12,260-square-metre Parc de l’Aqüeducte, created in 2021. This intervention has successfully revalued the infrastructure as a centrepiece for public enjoyment.

The most practical transformation is now underway at the Can Cuiàs aqueduct on the border with Montcada i Reixac. The Barcelona City Council has just approved an initial investment of €2.08 million to convert this 1860 structure into a pedestrian bridge. The project, which is now in a public consultation phase, will see a lightweight metal structure and wooden deck installed atop the aqueduct over five months.

This intervention will dramatically improve connectivity between the Barcelona neighbourhood of Ciutat Meridiana and Montcada’s Can Cuiàs area. Currently, residents face a long detour around the Torrent del Bosc Llarg ravine. The new 106-metre-long passarelle will provide a safe, direct route, all while protecting the aqueduct, which is listed as a local cultural asset and still carries a functioning water pipe.

This focus on repurposing historic infrastructure aligns with other major urban projects in the city, such as the ongoing Gran Via overhaul set to reshape Barcelona traffic in 2026. Additionally, the council’s strategy mirrors approaches seen in other municipalities addressing urban challenges, like Sabadell’s innovative plot auctions to fund public housing.

Ultimately, Barcelona’s hidden aqueducts are stepping out of the shadows. From scenic backdrops in new parks to vital new pedestrian links, these forgotten monuments are being woven back into the city’s living fabric, offering both preserved heritage and practical benefits for its residents.

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