Underground route through one of the galleries of the Águas Livres Aqueduct starting at the Mãe d'Água das Amoreiras reservoir and ending at the Patriarcal Reservoir in Jardim do Príncipe Real.

With water-resistant shoes and a willingness to walk through little-known spaces, this guided tour takes the curious visitors through the tunnels that used to form part of Lisbon's water supply network.

The route of almost three kilometres, includes learning about some historical details as well as the aqueduct’s construction.

Not recommended for people with claustrophobia and under 6 years old.

- Online ticket: www.ticketline.pt, or
- Booking on tel. 218 100 215 or mda.epal@adp.pt
Consult the different timetables for visits in Portuguese or English.

Starting point: Reservatório da Mãe d’Água das Amoreiras, Praça das Amoreiras, 10

(metro) Rato
(bus) 65B, 706, 709, 713, 774
(tram) 24E