Paddle through a 1,000-foot underground river tunnel in Puerto Rico's karst forest
2.5 - 3 hours
Cave kayaking, hiking, swimming
Explore Portillo's underground river cave on a guided interpretive adventure through the Tanamá River. Combine cave kayaking with forest trails, natural pools, and karst scenery.
Cancel at least 48 hours before departure for a full refund. Cancel 24 to 48 hours before departure for a 50% refund. Cancellations within 24 hours and no-shows are non-refundable. If the operator cancels due to unsafe weather or unforeseen circumstances, choose a full refund or rescheduled date.
Product ID: HFESUY
Wear comfortable clothes and closed-toe shoes with good traction, such as sneakers or water shoes. Flip-flops, Crocs, and flat-soled shoes are not allowed. Wear a bathing suit under your clothes if you like, and bring a change of clothes, a bottle of water, light snacks, and a small backpack.
Tourist Information Center, Route PR-111 Km 48.7, Utuado, PR 00641
Hoy tuvimos nuestro tour! El mejor tour guide Edgar “pito”. Definitivamente muy buena experiencia. If you want the truest local puertorican experience this is the tour you should take, is so beautiful. Also you can go across the street to the ceremonial indigenous park “caguana”, is also beautiful.
A Google User
August 9, 2026
Hoy tuvimos nuestro tour! El mejor tour guide Edgar “pito”. Definitivamente muy buena experiencia. If you want the truest local puertorican experience this is the tour you should take, is so beautiful. Also you can go across the street to the ceremonial indigenous park “caguana”, is also beautiful.
A Google User
August 9, 2026
Explore caves, waterfalls and natural pools in Puerto Rico's karst forest
Float through a 1,000-foot river cave with natural pools and karst views
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