Euclides da Cunha Paulista is a municipality in the state of São Paulo in Brazil. It is named after Euclides da Cunha, a Brazilian writer. The population is 9,325 (2020 est.) in an area of 574 km². The elevation is 265 m. The municipality contains 30% of the 6,677 hectares (16,500 acres) Mico Leão Preto Ecological Station, established in 2002.It also contains part of the 246,800 hectares (610,000 acres) Great Pontal Reserve, created in 1942.