Guanacaste National Park is located in the eastern part of the Interamerican Highway, opposite the Santa Rosa National Park. En1989 created for the protection of tropical forests on the slopes of Orosi and Cacao volcanoes, this project was founded to protect the migratory routes of hundreds of animals that migrate to higher ground during the dry seasons.
The park contains several interesting trails and several study sites, of which at least one is open to the public, photographers and researchers. The wildlife in the park is varied, have documented about 140 species of mammals, 300 birds, 100 amphibians and reptiles and more than 10,000 species of insects have been identified. The most common animals are the monkeys, armadillos, mice, mountain lions and black hawks, among other Positioned at the foot of the Orosi Volcano is Maritza Biological Station where you can see relics of the Plio-Quaternary period, which were formed by volcanoes and plains pyro clastic sediment accumulations.
The section west of the mountains covered with green forest vegetation in which trees stand reaching up to 30 meters high, with a predominance of species such as Santa Maria and Tempisque.