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Explore two of Puerto Rico’s most massive landmarks as you spend 9.5 hours visiting the impressive Rio Camuy Caves and the world-famous Arecibo Observatory. Head underground for an adventure inside the 268-acre (108-hectare) network of caves carved from rock by the Camuy River, admiring the elaborate cathedral-size spaces and countless stalactites and stalagmites. Then visit the world’s largest radio telescope at Arecibo, a 20-acre (8-hectare) dish used to observe the universe, exploring a range of natural attractions and scientific exhibits on site. Your trip also includes entrance fees, bottled water and round-trip hotel transport.


  • Ideal choice for families
  • All entrance fees included
  • All taxes, fuel surcharges and service fees included
  • Perfect introduction for first-time visitors

What You Can Expect

San Juan Day Trip to Rio Camuy Caves and Arecibo Observatory

Inside the Camuy Cave Park

Customer Reviews

Gilda M

4 star rating: Recommended January 2016

Our Driver was excellent and the Camuy Caves part of the tour was great, but unfortunately we were unable to see the Observatory because it was close. The tour company was very accommodating in
giving us options for this. Highly recommend .

Henry S

4 star rating: Recommended October 2015

Wonderful tour! Our guide Jesus was terrific and we enjoyed his humor and stories throughout the day. The caves are beautful and a very easy walk. The visit to Arecibo was fascinating. As a space buff, seeing the radio telescope and hearing the science being done there was a wonderful experience for me. Well worth a visit!

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