El Yunque Tours "Rainforest Nature Walk to Waterfall Adventure" is an unforgettable guided nature walk into the interior of the only Tropical Rainforest in the U.S. Forestry system locally known as the "El Yunque" 28,000 acres of lush plants, hardwood trees, cloud forests, dwarf forest, rivers, waterfalls, birds, insects, lizards and beautiful flowers along with a rich culture and historical background make for a breath taking day via or guided nature walks so come join us under the canopy!