Aqueduto das Águas Livres (Water Aqueduct) has constructed in the 17th century to provide drinking water to the city. Aqueduto das Águas Livres is a remarkable hydraulic and engineering constructions with 109 arches thar survived the 1755 earthquake. You can visit this monument on a guided tour through the Water Museum.
Calçada da Quintinha 6
| Monday | CLOSE |
| Tuesday | 10:00 - 12:00 13:30 - 17:30 |
| Wednesday | 10:00 - 12:00 13:30 - 17:30 |
| Thursday | 10:00 - 12:00 13:30 - 17:30 |
| Friday | 10:00 - 12:00 13:30 - 17:30 |
| Saturday | 10:00 - 12:00 13:30 - 17:30 |
| Sunday | CLOSE |