The Pinheiros River (Portuguese: Rio Pinheiros) is a tributary of the Tietê River that runs 25 kilometres (16 mi) through the city of São Paulo, Brazil. Until 1920, the river was known as Jurubatuba. After being channelized its name was changed to Pinheiros. In southern São Paulo the Pinheiros River is impounded in Billings Reservoir.
The Pinheiros river receives the following tributaries: Jaguaré stream, Pirajuçara river, Poá stream, Belini stream, Corujas stream, Verde stream, Iguatemi stream, Sapateiro stream, Uberaba stream, Traição stream, Água Espraiada stream (Jabaquara), Morro do S stream, Ponte Baixa stream, Zavuvus stream and Olaria stream.
