Águas Livres Aqueduct

Aqueduto das Águas Livres

An 18th-century stone aqueduct spanning the Alcântara valley, with its tallest arch reaching about 65 metres, which survived the 1755 earthquake.

The Águas Livres Aqueduct began construction in 1731 to bring fresh water into Lisbon from outside the city, and its main structure was completed in the mid-18th century. The section crossing the Alcântara valley has 35 arches, the tallest pointed arch reaching about 65 metres, making it one of the tallest stone arches in the world. It came through the 1755 earthquake almost unscathed. Visitors can climb onto the bridge walkway from the entrance on the Campolide side and look out over the valley and the city. The ticket also grants entry to the Mãe d'Água reservoir near Amoreiras. Closed on Sundays and Mondays (check the official website), and open about 10:00–17:30. Getting there: take a bus to Calçada da Quintinha stop, then walk about 5 minutes.

Opening hours

Approx. 10:00–17:30; closed Sundays and Mondays (check official site)

Aqueducts · Historic sites · Scenic views · Major earthquake

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