page_title: Carioca Aqueduct
section_title: History
hierarchical_section_title: Carioca Aqueduct / History
context_page_description: The Carioca Aqueduct is an aqueduct in the city of Rio de Janeiro, Brazil. The aqueduct was built in the middle of the 18th century to bring fresh water from the Carioca River to the population of the city. It is a typical example of colonial architecture and engineering.
  The Carioca Aqueduct is located in the centre of the city, in the Lapa neighbourhood, and is frequently called Arcos da Lapa by Brazilian people. Since the end of the 19th century the aqueduct serves as a bridge for a popular tram that connects the city centre with the Santa Teresa neighbourhood uphill, the Santa Teresa Tramway.
context_section_description: In the early history of Rio de Janeiro, the nucleus of the city was surrounded by swamps with water of bad quality, and fresh water had to be carried manually from streams located relatively far from the city. Since at least 1602 there had been plans to build a system of canals to bring water from the source of the Carioca river, located on Santa Teresa hill, to Rio de Janeiro. Colonial authorities attempted to build canals, but the construction was always hampered by technical and financial difficulties. By the end of the 17th century there were only a few hundred metres of canalisation completed.
  After 1706, construction of the aqueduct was given a fresh impulse by authorities. During the rule of governor Aires de Saldanha (1719–1725) it was decided that the canals, which at the time reached the Campo da Ajuda (today's Cinelândia square), should reach the Santo Antônio square (today's Largo da Carioca), which was closer to the centre of the city. Construction of the first aqueduct was finished in 1723, and clean water flowed directly to a decorative Baroque fountain in Santo Antônio Square, to the relief of the people of Rio de Janeiro.
  This first aqueduct was already in bad shape by 1744, when governor Gomes Freire de Andrade (1733–1763) ordered the building of a new, larger structure. The works were encharged to Portuguese military engineer José Fernandes Pinto Alpoim, who was inspired by similar structures in Portugal, like the Águas Livres Aqueduct in Lisbon. The aqueduct was inaugurated in 1750.
  The most impressive feature of the aqueduct is the course that connects the hills of Santa Teresa and Santo Antônio, in today's Lapa neighbourhood. This segment of the aqueduct spans 270 metres and consists of two storeys of monumental arches - 42 in total - with a maximum height of 17.6 metres.
  In colonial times, water from the Carioca Aqueduct reached several fountains scattered through Rio de Janeiro, including those in Santo Antônio Square, Ajuda Square (Cinelândia) and the Terreiro do Paço (today's Praça XV). At the end of the 18th century, as the waters of the Carioca river were insufficient to feed the aqueduct, water from other streams were also diverted to its canals.
caption: The Carioca Aqueduct by famous painter Leandro Joaquim (c. 1790). Santa  Teresa hill and its convent are seen to the left. The lagoon in the foreground was landfilled to build the Passeio Público.
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