This park is found in Guanacaste, 22 Km NE of the
city of Nicoya. It was founded in 1974 and has an
area of 2,295 hectares. It has a major limestone hill,
Barra Honda Hill, and is well known for its caves.
The main feature of the park is its system of independent
limestone caves, 19 of which have been explored up
until now. The most attractive and interesting are:
La Trampa (The Trap), El Terciopelo
(The Ferdelance) and La Santa Ana (The Saint
La Trampa is the deepest. From the entrance down to
the first chamber, there is a vertical drop of 52
meters. This cave has the largest chambers yet discovvered
in this park. One is of pure white calcite and is
The terciopelo has the greatest number of formations.
One famous one is called the "Organ" and, when lightly
struck in different places, it delivers different
tones of sound.
Another cavern is called El Pozo Hediondo (The
Stink Hole) and contains large numbers of bats. The
masses of guano that result give the bad smell that
named the cave.
In the Nicoya Cavern were found many Precolumbian
artifacts and human remains.