The SapucaÃÂ-Mirim River is a river that flows through the Brazilian states of São Paulo and Minas Gerais. Its source lies within the Mantiqueira Mountains and it discharges into the SapucaàRiver.
The headwaters of the river are protected by the SapucaàMirim Environmental Protection Area, created in 1998. The Fernão Dias Environmental Protection Area, created in 1997, also protects some of the headwaters. In the state of São Paulo, the river passes by the municipalities of Santo Antônio do Pinhal and São Bento do SapucaÃÂ. In the state of Minas Gerais, it passes by the municipalities of SapucaÃÂ-Mirim, Gonçalves, Paraisópolis, Conceição dos Ouros, Cachoeira de Minas and Pouso Alegre.
Its main tributaries are the Capivari River, Itaim River, Mandu River and the Ribeirão dos Ouros.