General term for the hills Cispius and Oppius in Rome (Varro, Ling. 5,49). Here was the end of the plateau that extended to the Anio; and from it important aqueducts (Anio vetus 270 BC, Aqua Marcia 144 BC, Aqua Claudia and Anio novus AD 52) led into the city. The Anio novus that was incorporated into the Porta Maggiore is particularly impressive.
A hasty and exhaustive redevelopment started in 1870/71 caused large-scale exposure and destruction, with which the documentation process could not keep pace; as a result, the considerable number o…