El Yunque is the only tropical rainforest in the U.S.  It encompasses more than 28,000 acres of land in Puerto Rico. The forest receives 50-250 inches of rain each year with the higher elevations receiving the most rain. A total of 100 billion gallons of rain water fall on the forest each year.

Flora and Fauna

El Yunque is one of the smallest rainforests, but is one of the most diverse.  Over 200 species of trees and plants exist here, 23 of which can only found in El Yunque and no where else. Of the 16 species of coquís, 13 live in this rain forest. El Yunque is also home to the Puerto Rican amazon parrot. The parrot is only found in Puerto Rico and is on the endangered species list due to dwindling habitat.

The forest has 5-6 different species of snakes as well as tarantulas, scorpions, and centipedes, none of which are poisonous. The insects do have a venomous bite, but are only dangerous to those who are allergic. There are no poisonous plants such as poison ivy.


There are over 24 miles of hiking trails in the forest. These trails are for hiking only. The park forbids the use of Motorcycles, bikes, and horses. The most popular trail is the La Mina Falls trail. the trail is about three quarters of a mile long and ends at a beautiful waterfall where hikers can swim in the water. It is a challenging hiking trail so footwear with good traction is a must.

The forest also has 2 observation towers which you can ascend to get an amazing view. On is Yohaku and the other is Mount Britton. Yohaku tower also has restrooms.