The Savegre River is a river in Costa Rica, belonging to the Pacific Slope. It is born with the name of Quebrada Providencia in the Cerro de la Muerte, Cordillera de Talamanca, at 3,491 m above sea level. north. m., and after receiving the Division River, it runs through 41 linear kilometers of rugged topography to empty into the Pacific Ocean. Its basin covers 590 km² and runs through four cantons: Dota, Tarrazú, Pérez Zeledón and Quepos. It is considered one of the cleanest rivers in the country. Its basin is one of the most ecodiverse regions of Costa Rica: 47 different ecosystems have been identified, of which 9 are natural, 15 semi-natural and 23 cultural, so the majority of the basin is protected by the National Park. . Los Quetzales and Manuel Antonio National Park. On June 14, 2017, the Savegre River basin was declared a Biosphere Reserve by UNESCO. The Savegre basin is characterized by a very broken orography, covered by forests in 62% of its territory, and has a rapid descent from the altitudes of the Talamanca mountains to sea level, typical of the Central Pacific Slope of Costa Rica. In the upper parts, the river has excavated deep “V”-shaped valleys, while near the mouth it presents accumulations of alluvial deposits, giving rise to plains. The climate of the region varies according to the altitude: the annual precipitation is between 3000 to 7000 mm per year in the high parts, and 4000 mm in the alluvial plain where it flows, the rainy season being from May to November, with a small ” veranillo” that occurs between July and August, and a marked dry season between December and April.