Surrounded by the Poas Volcano and Barva Volcano, and with an extension of 45,899 hectares, this giant lung of nature will astonish you with its natural beauty, high mountains, dense forests and innumerable rivers. Due to the constant high precipitation (about 4,500 mm/177 inches yearly), the park is abundant in waterfalls.

Flora and fauna are tremendously rich. Over 500 species of birds, mammals near extinction such us Tapirs, pumas and jaguars, peccaries, bears, martillas, cabro del monte, the guatusa, the coyote, the pavón and tepezcuinte are still some of the dwellers of this jewel of nature.

A great way to see the rain forest canopy of Baulio Carrillo is gliding through on the Rainforest Aerial Tram, one of Costa Rica's most popular attractions.