El Yunque Caribbean National Forest

El Yunque rainforest is a 28,000-acre reserve at the eastern end of Puerto Rico in the Sierra de Luquillo mountains. It is the only tropical forest in the U. S. National Forest system, as well as the smallest and most ecologically diverse. It receives more than 240 inches of rain a year. We visited El Yunque in December, 2008.

tree fern rainforest mountains stream rainforest hiking trail sign

waterfall waterfall swimming in waterfall swimming in waterfall stand of bamboo

snail snail snail

lizard lizard lizard lizard Puerto Rican bush anole, Anolis pulchellus

lizard Brown anole, Anolis sagrei

lizard Green anole, Anolis carolinensis

butterfly Hispaniolan mimic-white, Dismorphia spio

spider Silver orb-weaver spider, Leucauge argyra

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Last modified 11 April 2026