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  • Languages Offered: English and 1 more
Get picked up at your Cancun or Playa Mujeres hotel, or choose to meet directly at the Rio Secreto Nature Preserve.

At the preserve, listen to your guide give a safety briefing. Don your equipment, including a hard hat, lamp, wet suit, life vest, and water shoes.

Head underground with your guide and make your way past the floor and ceiling crystal formations. Walk along the designated path or swim and wade through the underground river. Move along with the river, and view the colors and mineral forms that lie all around it.

Exit the cave and opt for a shower. Enjoy a buffet lunch and spend some time exploring the nature preserve or relaxing. Finish the tour with a ride back to your hotel or Plaza Kukulcan.
Locations visited
Rio Secreto
Cancun Vacation Experts - Day Tours
Cancun Vacation Experts
See the Rio Secreto underground river and crystal caves on this guided tour. You’ll swim or wade in the underground pools and marvel at the crystals and stalagmites without worrying about getting lost, thanks to your guide. Your excursion includes a hotel pickup, safety briefing, use of equipment, lunch, and time to explore the nature preserve.
  • Explore the Rio Secreto underground river and crystal caves with a guide
  • Equipment and lunch is included 
  • Tour includes the use of showers and time to explore the nature preserve
  • Hassle-free round-trip transportation from most Cancun and Playa Mujeres hotels
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1 - 5 of 28 reviews
Reviewed 3 days ago via mobile
Fantastic place

What a fantastic amazing place, we went as a 12 family strong and it was a once in a life time experience, the water was awesome and we walked through the dry caves and swam through the the river caves, all I can say if...More

1  Thank Steve D
Reviewed 1 week ago
Unique, Once in a Lifetime

My husband and I loved this excursion on our cruise (Allure of the Seas). Our guide, Alexa, was extremely kind and looked out for the entire group. She had lots of information and was knowledgable on the caves. A few important things to note is...More

2  Thank klance924
Reviewed 2 weeks ago
Something everyone has to do once in their lifetime!

We ended up here because for our Tulum tour our hotel did not want to sell us a tour for Xenses (I guess they're in some disagreement). I have to say that I am absolutely glad I came to Rio Secreto! We took the Alegria...More

5  Thank Tanners88
Reviewed 2 weeks ago
Definitely a National Geographic experience!

This is an amazing tour. My husband and I are 68 years old and in good shape. We had no problem! Our tour guide, Diana, was extremely knowledgeable and had a great sense of humor, which helped to calm our jittery nerves in the beginning....More

1  Thank Rita F
Reviewed 28 May 2018
Amazingly beautiful

Fernando was amazing. We were a small group of two families. My kids are 10 and 12. Fernando made sure he was close in case they needed help. Fernando was full of information and life. We saw bats, catfish, blind fish, and a whip spider....More

14  Thank jenniferlL6580LS
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