Camuy River Caverns National Park, Protected cave network in northwestern Puerto Rico.
Camuy River Caverns National Park is a limestone cave system in northwestern Puerto Rico, carved by an underground river flowing through the rock over millions of years. The network spans several municipalities and contains numerous chambers of varying sizes and heights.
Scientific exploration of the caves started in 1958, but archaeological finds show the Taíno people inhabited the area centuries before that. This discovery increased interest in protecting the underground landscape.
The caves host several bat species that visitors can watch emerging at dusk from the main chamber. The place shows how underground ecosystems work and which animals thrive in complete darkness.
You need to reserve in advance as daily visitor numbers are limited to protect the cave environment. Wear sturdy shoes since paths are slippery, and bring a light jacket because the temperature underground is much cooler than on the surface.
While over 220 caves have been mapped, experts think hundreds more remain unexplored within the system. These hidden chambers could contain entirely unknown habitats and geological secrets waiting to be discovered.
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