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Rio Secreto Underground River Tour with Crystal Caves

Q.R., Mexico
Book online or call: (888) 651-9785(888) 651-9785

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Free Cancellation
up to 24 hours in advance
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4 hours 30 minutes (Approx.)
Hotel pickup offered
Mobile ticket
Offered in: English and 1 more


Explore the Rio Secreto Nature Reserve outside of Cancun on this full-day excursion, where you'll swim and wade in one of the most spectacular underground caves in Mexico. See the famous crystal caves on a tour that showcases the spectacular natural wonders of the Yucatán. Choose round-trip transportation from your Cancun hotel, or meet your guide at Rio Secreto directly.
  • 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)
Choose pickup at your Cancun hotel or meet directly at Rio Secreto Nature Preserve.

Arrive at Rio Secreto and listen as your guide reviews safety considerations and hands out equipment, including a hard hat with a lamp, a wetsuit, a life vest and water shoes.

Follow your guide into the underground cave to view the breathtaking crystal formations on both the ceiling and and the floor. Walk along a path through the caves and wade or swim through the river itself. Enjoy the sound of your group's movement through the subterranean cavern echoing off the walls. View the vibrant colors and dramatic mineral forms that lie hidden deep below the surface of the earth.

Exit the cave and opt for a shower at the Rio Secreto's facility. Swing in a hammock and relax in the Nature Preserve before boarding your bus for the return trip. End your Rio Secreto adventure with drop-off at your hotel in Cancun or at the Plaza Kukulkan.

Traveler Photos


185 Reviews
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Reviews by Viator travelers
Great experience
, Sep 2019
The tour guide inside the cave is very knowledgeable and careful, she makes sure we all safe and have fun! the cave is amazing and is definitely a unforgettable experience!
Rio Secreto
, Aug 2019
Danae was great! We really enjoyed the caves and we learned a lot. The food was excellent too. The staff was very helpful.
Spectacular caves
, Jul 2019
I really loved this. I felt I was so close to nature with the stalactites and stalagmites. It was lovely swimming in the caves. So different from all the man made attractions
, May 2019
Underwater discovery is very fun. Caves were pristine and the water is safe. Operators organized it very well. Enjoyed every minute of it!!!
, May 2019
The Crystal Caves were really magical. It was an amazing experience and I would definitely it Our Tour guide was super nice too! Thank you.
Excellent attraction- Must do! Thanks Roberto!!
, May 2019
My boyfriend and I had an amazing time at this attraction, it’s unique and exciting. Best if you know how to swim and can walk in uneven underwater floors but not a must. Our tour guide was Roberto and he did an phenomenal job making sure he explains all the details of what we were looking at and ensuring everyone was taken care of but at the same time making it an experience we can’t forget. Tha i you Roberto!!!
This tour was super COOL! Swimming...
, Aug 2018
This tour was super COOL! Swimming in the cave was such a fun experience and the buffet lunch was delicious, very authentic food! We purchased the pictures and they were worth it, they looked great. Really enjoyed this tour and would highly recommend!
Had an excellent time. This was our...
John S
, Jul 2018
Had an excellent time. This was our second visit. The first in 2013. Since then, much improvement in the Experience. Our guide Daniel Yul was very informative and helpful for our group of 8 adults. It is an amazing experience swimming in and underwater cave. The pictures taken by the staff photographers were stunning.
We had a great time doing this...
Jennifer B
, Apr 2018
We had a great time doing this experience. It was serious spelunking -- wetsuits, a little bit of swimming, and all in a very dark cavern. We had headlamps so it wasn't scary though my 8 year old son did get a little freaked out when we turned them off at one point. I've never done anything like this so definitely it's an experience I won't forget. The tour is long 45 minutes? 1 hour? and time seemed to lose meaning down in the caverns. We couldn't bring our own phones/cameras so if you want photos, you have to pay for them. A photographer comes along with you and takes a lot of photos. The photos are very expensive so be prepared to pay 100 if you want your whole roll.
AMAZING tour! Our tour guide, Juan...
Sara C
, Mar 2018
AMAZING tour! Our tour guide, Juan, was amazing, funny, and so knowledgeable! Highly recommend.

Product code: 3206CUNRIO

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