5 star rating: Highly Recommended 35 Reviews

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  • Location:Cancun, Mexico
  • Duration:7 hours (approx.)

Rio Secreto Underground River Tour with Crystal Caves

Discover the mysteries of the Yucatan on a visit to Rio Secreto Nature Reserve. Enjoy an exciting afternoon adventure at Rio Secreto, where you’ll wade and swim through an underground river and encounter the stillness of a crystal cave. You can select hotel pickup and drop-off, or meet your guide at a central location in Cancun.


  • Rio Secreto Nature Reserve
  • Swim through an underground river and enjoy the tranquility inside an ancient cave
  • See gorgeous crystal-like cave formations above the turquoise water
  • Hotel pickup and drop-off from most Cancun and Playa Mujeres hotels (if option selected)

Recent Photos of This Tour

What You Can Expect

Rio Secreto Underground River Tour with Crystal Caves

Visit Rio Secreto Naure Reserve

Your guide will either pick you up at your hotel or meet you at Plaza Kukulkan before departing for Rio Secreto Nature Reserve in the afternoon. Upon arrival, you’ll receive a safety briefing and equipment – including wetsuit, life vest, water shoes and a hardhat with lamp – before your expedition begins!

Follow your guide into Rio Secreto’s underground cave, and admire the stunning crystal-like stalactites and stalagmites as you walk along a path and swim through the turquoise water. Venturing deep inside the cave, take in the peaceful stillness amid the dramatic mineral formations and vivid colors of your pristine surroundings.

When you emerge, enjoy a shower at Rio Secreto’s facility or hang out for a bit in a hammock before returning to the plaza or your hotel.

Customer Reviews


5 star rating: Highly Recommended January 2016

Just beautiful, incredible!

Diana H

5 star rating: Highly Recommended December 2015

This Tour was amazing! And and #34;Eduardo and #34; our guide, was the best!!!!!

Vickie L

5 star rating: Highly Recommended December 2015

This is a must if you are heading to Cancun. The only thing is that it isn't for young kids who are afraid of what might be in the water and caves. Also, its not for people with weak ankles or knees too, as there is quite a bit of uneven, not slippery, ground. Our group was delightful and the guide Benito was FANTASTIC! Do try and get into his group very well informed about the caves and the water system.

Kirsten M

5 star rating: Highly Recommended November 2015

Loved it! Absolutely peaceful and beautiful.
What to know before you go - be minimalmistic. No lotion, no sunscreen, no hair products, no jewelry. You can't wear anything other than Rx glasses into the caves and you'll be taking a lovely cold rinse before heading in. The less you have to rinse off the better. Take their advice when they say use the restroom before you get into your wet suit. The water is chilly and it would be bad form to have to use it as your personal restroom. There is a little bit of a walk to the entrance to the cave but by no means is it a rough hike. Lunch is good local fair. Nothing too heavy but just enough to reward you for the work you've put in going through the caves. My guide Pablo was awesome. He clearly loves what he does and cares deeply about the purity and sanctity of the caves. It was a gorgeous experience and I'm so glad we did it. You go back to your hotel baby soft one of the water's natural gifts, relaxed, and rejuvenated.
The downside - no cameras or recording devices. A photographer goes with you from start to finish and they take beautiful shots but the price is almost painfully steep it makes Disney look cheap.

Overall - Totally worth it. I have great memories of the day and would absolutely include it in my travel plans if I was returning.


5 star rating: Highly Recommended October 2015

This is our second time doing this tour. Benito is an awesome guide. We took 7 of our employees to experience Rio Secreto! They loved it!


5 star rating: Highly Recommended September 2015

Rio Secreto is a very nice place. We had a great day! The caves are amazing. The photo CD is worth it, pictures were wonderful!

Bernardino L

5 star rating: Highly Recommended August 2015

Amazing sight and excitement for the whole family. Tour guy explained everything very well.


5 star rating: Highly Recommended June 2015

This tour was amazing!

Shangrila D

5 star rating: Highly Recommended June 2015

This tour was amazing!

Ryan T

5 star rating: Highly Recommended June 2015

Wonderful time - very friendly staff takes you on an incredible tour of underground flooded caves. All of the equipment was in fine shape, all sizes were available and great care has been taken to keep the caves free of damage from the tours. One tip, be sure to take along the walking stick! A must do for all vacationers in Cancun.

From USD $ 78.99

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Tour code: 3206CUNRIO


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