Reservatório da Mãe d'Água das Amoreiras

At the end of the Águas Livres Aqueduct, this 18th-century reservoir in Lisbon’s Amoreiras district is a striking place to see how water was stored and supplied to the city. Walk around the still pool beneath the domed ceiling, where panels explain the reservoir and its machinery, then climb to the flat roof for views across Lisbon and the Tagus. Some visits also include immersive light and music shows or exhibitions, so check what is scheduled before you go.

A reservoir at the end of the aqueduct

The Mãe d'Água das Amoreiras Reservoir was designed in the 18th century to collect water carried by the Águas Livres Aqueduct. Architect Carlos Mardel designed the structure in 1746. The name means “Mother of Water,” and the reservoir is also known as the deposit that gathered water from the aqueduct.

Inside, a walkway runs around the central tank. Information panels explain the reservoir’s history, its parts and the machinery used in its operation. The water’s stillness and the enclosed space give the interior a distinctive atmosphere. Look closely at the stonework too: marine fossils have been noted in some of the stones and on the stairs.

The roof and immersive exhibitions

Stairs lead to the reservoir’s flat roof, where you can look over the surrounding district and towards the River Tagus. The roof is a simple terrace, so the main draw is the view rather than elaborate architectural detail.

The building also hosts immersive exhibitions and projected light-and-music shows. Past programming has included multimedia presentations about artists such as Frida Kahlo, Monet, Klimt and Van Gogh. These events are separate from simply walking around the water tank, so check the current programme if an exhibition is the main reason for your visit. Weekend tours of underground tunnels need to be reserved in advance and are not included with regular admission.