These amazing wetlands are located in the northern zone of Costa Rica, close to the small village of Los Chiles in the Province of Alajuela. Cao Negro is mainly conformed by the Cano Negro Lagoon and the Rio Frio. It has an extension of 9960 Hs., and it is one of the most important biological areas of the country and the four most important
wetlands area in the world.
Cano Negro Wild Life Refuge was declared Wildlife Area of International Importance in 1991. This Costa Rica ecological treasure is the natural habitat of more than 350 species of birds, as well as the emerald basilisk, iguanas, river turtles, caimans and jaguars.