Natividade da Serra (meaning "the nativity of the mountain") is a municipality in the state of São Paulo in Brazil. It is part of the Metropolitan Region of Vale do Paraíba e Litoral Norte. The population is 6,786 (2015 est.) in an area of 833.37 km². The elevation is 720 m. The southern part is heavily forested and mountainous and there are few roads and tracks into the mountain. The hills and some mountains with farmlands dominate the rest of the municipality.