Orosi is a town in Costa Rica, the second district of the canton of Paraíso, in the province of Carthage. It is located in a deep valley and humid climate, surrounded by hills and lush vegetation, about 35 km southeast of the capital San José.
It has an estimated population of about 13,056 (2014). It is one of the few villages of the colonial era that have survived frequent earthquakes.
The basis of the economy depends heavily on tourism and on the cultivation and production of coffee.
Most of its territory corresponds to mountainous areas of forest vocation, such as the Río Macho Forest Reserve and tapantí National Park. The region is darenda by the Rio Grande de Orosi.