If not, sign up for an organized tour. The ride from San Juan usually takes about an hour. You ll notice a slight drop in temperature as you begin the climb into the preserve. Giant ferns, finger orchids, royal palms, bamboo and mahogany and tabonuco trees form a natural canopy over the winding road to La Mina Recreation Area, where the trails through the rain forest begin. One of the more rugged trails, El Toro, leads to the highest peak in the forest.
Lockers are available.
Snacks and drinks, too. If you have more time Some suggestions for those who have a few extra days to spend or who are returning to San Juan. The Arecibo Observatory, about a two-hour drive west of San Juan, is home to the world s largest radar telescope and an astronomical research center managed in part by Cornell University. An interactive visitors center connects to the outdoor deck where you can see the telescope dangling over a giant sinkhole. Hacienda Buena Vista A visit to this 19th-century coffee plantation is like taking a trip back in time.