El Yunque is part of the United States National Forest System and is the only tropical ... The Angelito Trail is clearly marked with a sign near a clearing, so you can’t miss it.

The El Yunque National Forest, or simply El Yunque ... For added thrills, sign up for a zip line tour that will provide exceptional views of El Yunque. Entering the 28,000-acre forest is free.

Read this guide before you visit Puerto Rico to learn about the best things to do in El Yunque National Forest, America's only tropical rainforest.