Rio Savegre

Rio Savegre - Costa Rica 

Its basin is one of the most eco-diverse regions of Costa Rica: 47 different ecosystems have been identified, 9 of which are natural, 15 semi-natural and 23 cultural, so that the majority of the basin is protected through the Los Quetzales National Park and the Manuel Antonio National Park . On June 14, 2017, the Savegre river basin was declared a Unesco Biosphere Reserve.  -  per wikipedia