The park is located in the pacific coast, in the Península de Osa, in the province of Puntarenas. It was establish by means of Executive Decree No. 5357-A, October 24, 1975. It has an area of 54. 538 hectares in the land part and 2.400 in the sea part.
Corcovado is located in the life zone that correspond to the very humid Tropical forest in the south pacific of Costa Rica and you can be sure that no other wild area in the country protects plants and animal as this park. This wild area is considered an excellent life laboratory, in which you can study the structure and function of the tropical ecosystems and the relationship between them.
The very humid forests of Corcovado, are some of the last places that still maintain the ecosystem of the very humid tropical forests in the American pacific, with precipitation over 5.000mm annual.
This park helps the investigation and scientific studies and allows the environment education.
There are like 500 species of trees in the whole park, which is equivalent to the fourth part of all the tree species in Costa Rica. The tropical rain forests protected in the area, no only constitute the best ecosystem in the pacific, but the last of them in Central America.
The flora of the park is constituted in the most by the very humid tropical forest with the following habitats: The mountain forest, the cloudy forest, the prairie forest, the swamp forest, the "Yolillal", the herbaceous swamp, the mangle, the sheer flora and the coast flora.
The park protects several endangered species like cats, big reptiles, species of birds of restricted distribution. We know the existence of 104 mammal species, 367 birds, 117 amphibian and reptiles and 40 species of fresh water fish.
In the wild life we can be notice the danta, the jaguar, the puma, the white face monkey, squirrel, congos, and others. This park is one of the most important conservation areas for the protection of lizards and crocodiles.