El Yunque is consider a small forest with 28,516-acre size.

El Yunque is the only tropical forest in the National Forest System of the United States.

Its year-round tropical climate and immense biodiversity.

It is the rainiest of all the U.S. National Forests.

Its rise to 3,533 ft. above sea level

225 Native tree species and 164 vertebrate species documented.

Their steep slopes can sometimes receive rainfall of over 200 inches (508 centimeters) per year at higher elevations.

It is the only U.S. National Forest to be designated an experimental forest in its entirety.

The forest has an average temperature of 73° F (21° C) it is “home” to thousands of native plants including 150 fern species, 240 tree species (88 of these are endemic or rare and 23 are exclusively found in this forest).

The El Yunque National Forest has no large wildlife species, but hundreds of smaller animals abound in this gentle forest, many of which exist nowhere else on the planet.

Although there are no trails that presently accommodate wheelchair traffic, there are plans for a handicapped access trail soon.

The Forest is a Trash-Free Zone – Take your Garbage with you.

Flash Flooding: Be alert for changing weather conditions. A rapid rise of water can strike rivers with little or no warning.

Mongoose Safety: Mongooses can be infected with rabies. Do not approach them at any time. If you observe an animal acting strangely, please report its location and behavior as quickly as possible to the nearest U.S. Forest Service employee.

Stray Dogs and Cats: Do not attempt to feed stray dogs or cats or drop food scraps on the trail for them to find. They represent a potential hazard, both to humans and the native animal population. They may be infected with diseases such as rabies. If you encounter a stray dog or cat, do not approach it. Please report its location and behavior as quickly as possible to the nearest U.S. Forest Service employee.