Directions: Located in the southeast section of Puerto Rico, you reach this humid and subtropical reserve via Route 3 at km 74.3 in the area of Santa Teresa; 787/852-4440. No camping.

The refuge, established in 1984, includes wetlands and lowlands and an estuarine system (mix of fresh and salt water) that is ranked as one of the most productive in the world. It receives 88 inches of rain annually, mostly from May to December.

Camping is permitted at El Morrillo, though the facilities are primitive. A permit is needed from the refuge office. It may be obtained only during normal hours ( 7:30-3:30 ) so officials can orient you to the facilities; phone 787/852-6088.

About 90 species of both resident and migratory species live in the Humacao preserve, including ducks and gulls. The beach is a vital nesting place for two sea turtles species, the carey
(Eretmochelya imbricata) and the tinglar, (Dermochelys coriacea). Studies have been conducted on their reproductive cycles since 1986.

At the north part, between the Rivers Blanco and Anton Ruiz, is an interesting community of mangroves and "chicken trees" (Pterocarpus officinalis).

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