Parque Nacional Volcán Arenal
Location: On the Northwest region of Costa Rica, between the foothills of Tilaran mountain range and the plains of San Carlos.
Area information: Created on September 26, 1994, it is characterized for the high level of biodiversity. 25 species of fish have been identified on the Arenal reservoir and the rivers that feed it. Among the 500 identified species in this area are algae, bromeliads, palms, ferns, orchids, and araceas. On July 29, 1968 started its active period, opening three craters towards the west side. This crater remains active to this day, and is characterized by constant lava flows of basaltic composition, and explosions of pyroclastic material and constant gas emissions.

Refugio de Vida Silvestre Caño Negro
Location: In the province of Alajuele, between the counties of Los Chiles and Upala.
Area information: Created on March 4, 1984. The area that comprises the Caño Negro lagoon (900 Hectares) and its surroundings constitute one of the most humid and diverse areas of the country. It is of vital importance to the upkeep of the environmental quality of the Northwestern Atlantic of the country, specially through its role regulating floods and maintaning the flow of important rivers for navigating the zone. It was recently declared an internationally important wetland, specially as a habitat for water birds, and is now part of RAMSAR.

Parque Nacional Juan Castro Blanco
Location: On the eastern foothills of the Central Volcanic Mountain Range, between the counties of Alfaro Ruiz, San Carlos and Naranjo.
Area information: It was declared by law on 1992, has an area of 14,258 Hectares, and is located It has very irregular topography, mostly cloudy climate, and hills that go from 700 to 2,320 meters above sea level. It contains great richness, its flora and fauna is vary varied and is composed of 5 life zones: premountain rain forest, mountain rain forest, premountain wet forest, low mountain rain forest, and premountain rain forest. This dense and evergreen forest is of great ecological importance for the protection of biodiversity. Given the terrain and climate conditions, the park is the most important reservoir of drinking water for human consumption, electricity generation, ground protection, flora, fauna, and oxygen reproduction. There are 188 types of birds, 30 of mammals, 45 of amphibians, 32 of reptiles. There are quetzals, pumas, monkeys, sparrowhawks, orchids, bromeliads, cedar, and magnolia.