Our first stop in El Yunque was the El Portal visitor center. After going in and paying the admission price, I found out you didn't really need to since the most information I got was just a map. There were a lot of exhibits but most people really don't have time to read them and the movie just explained about the endangered parrots, something that you can learn from any PR travel book.
Anyways, we drove a car up the mountain paths where they were very tight turns around the mountain bends. Honk your horn as you go around the bend to inform other cars (that you can't see) that you're coming toward them.
We stopped at various points that provided excellent views of the jungle:
-Yokahu Observation Tower, climb to the top of the tower and see the town of Fajardo and the shores of Luquillo. It's a beautiful, all around view of the mountains.
-La Mina Fall, take the Big Tree trail or the La Mina trail and enjoy a chilling but refreshing swim by the waterfall after your hike. This trail took about fourty minutes (since we spent a long time looking for lizards and salamanders- found 3!!). It wasn't extrenous.
-Mt. Britton Trail, we stopped there but didn't climb to the top though others on the trail said it was a beautiful sight at the top. This trail is a bit more harder than the Big Tree trail.
The essentials:
-bring an umbrella since there are quick showers every now and then
-a swimsuit if you want to swim in the falls
-bug spray, though we didn't get nasty bites, you might find it necessary
-binoculars
-a light snack (we saw a few food stands but not much)
Hope you enjoy El Yunque!!
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.