Arouca 516

Arouca 516 is one of the world's longest pedestrian suspension bridges, located in the municipality of Arouca, in the North Region and the Aveiro District of Portugal. The bridge has a length of 516 m. It is suspended 175 m (574 ft) above the Paiva River, which it spans. Its name is a reference to its extension in meters and the municipality where it is located.

Its length exceeds by 16 m the Charles Kuonen Suspension Bridge in Switzerland, opened on 29 July 2017, by about 500 m.

Construction of the bridge started in May 2018. It opened on 29 April 2021 to residents of the municipality and on 2 May to the general public, with prior purchase of tickets online. Access to the bridge is possible either from Canelas or Alvarenga and a guide always accompanies visitor groups. The first person to cross the bridge was Hugo Xavier.

The bridge was designed by the Portuguese research institution Itecons and constructed by Conduril Engenharia, S.A., at a cost of approximately €2.3 million.