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Rio Secreto Underground River
Playa del Carmen, Mexico
Spelunking, or exploring caves, is one of my favorite adventure travel activities. I’ve hiked and crawled through natural underground passageways in South Africa, Guatemala, Iceland, and more.
But Mexico’s Yucatan Peninsula is teeming with incredible caves too.
There is something exciting about wandering through the darkness, deep into the Earth, not sure what you’ll discover around the next bend.
Visiting Rio Secreto gives you a taste of this rarely-seen and magical world.
We walked through the jungle to one of the cave entrances led by our guide “Ro”, who told us camera traps nearby had recently captured images of wild jaguars that call the area home.
Traditional Mayan Blessing
The Maya Underworld
Our adventure begins with a sacred Maya cleansing ritual using smoke. A local shaman asks Mayan death gods for permission for us to enter their domain.
The Maya consider these caves scared, a portal to Xibalba (aka “the place of fear”) — the Mayan underworld.
Ancient skeletons, artifacts, and petroglyphs have been discovered in the cenotes and caves that cover the Yucatan Peninsula. Some date back 13,000 years!
Caves like this were often used for human & animal sacrifice, and even today many local Maya keep clear of them.
In 2007 Rio Secreto’s owner decided to allow eco-tours through 10% of the natural reserve, in order to fund conservation for the rest of it.
Entrance to the Underworld
Amazing Cathedral of Stalactites
Exploring Rio Secreto’s Caves
There are a few different entrances to the caves, covered in vines. Black holes ready to swallow us into the earth. We switch on our headlamps and head into the darkness, not sure what lies ahead.
Rio Secreto is a maze of passageways and dramatic mineral formations. Water drips lightly from the ends of stalactites on the ceiling into the pristine blue pools at our feet. This water has slowly filtered through the porous rock, which is why it’s so clean.
We’re witnessing millions of years of geological history as we hike and swim through different chambers.
The water is cold, but the air is warm with humidity too. We squeeze through narrow cave passages, sometimes with water up to our chests. But there are also massive chambers, large enough to fit a small house inside.
Swimming through Narrow Passages
Underground River Systems
Limestone cave environments like this are very fragile. Rio Secreto has taken great pains to keep the area pristine, without installing concrete paths or tons of cheesy artificial lighting. It’s just you and your headlamp in the darkness.
You have to watch your footing though, as the cave floor constantly changes from wet and slippery to sharp and jagged. It feels like a proper caving adventure!
Our guide occasionally placed a couple of powerful waterproof flashlights into the water, turning it into a giant glowing river of blue light.
This water is part of an intricate network of rivers that flows beneath the Yucatan Peninsula’s hollow limestone shell. It’s actually the 2nd largest underground river system in the world.
Professional cave divers love the area’s many underwater caves. But at Rio Secreto, the water level is shallow — allowing anyone to explore these caves on foot. No need for specialized scuba gear or expensive training.
Pristine Underground Rivers
Getting There
Rio Secreto is located a few miles south of Playa del Carmen, off Highway 307 along the Riviera Maya. It’s about an hour south of Cancun, or 40 minutes north of Tulum.
If you have a rental car you can drive there yourself, jump in a local taxi/collectivo van, or arrange for them to pick you up at your hotel.
Rio Secreto Tips & Advice
If you don’t get too claustrophobic and love exploring caves like me, then Mexico’s Rio Secreto is a pretty awesome experience. You are going to get wet. But don’t worry, that’s part of the fun!
Make sure to bring a swimsuit and towel. Rio Secreto provides a wetsuit, water shoes, lifejacket, helmet, and light.
Cameras are not allowed because of the wet & hazardous cave environment. However trained staff can take photos with special equipment, which you can buy at the end of the tour.
Best Places To Stay
The closest town to stay nearby is Playa del Carmen — but Cozumel, Cancun, and Tulum are not too far away either. I’m a big fan of AirBnB, but there are also great hotels and hostels in Playa too. If you haven’t yet, make sure to read my article about how to find cheap hotels.
Budget
Hostel Playa – Fun little budget hotel for people trying to save some money. Great location, simple clean rooms, basic but gets the job done.
Mid-Range Accommodation
La Galeria – Affordable guesthouse – clean, good wifi. Excellent value for the price.
I also enjoy using AirBnB from time to time. Make sure to read my article about how to find cheap hotels too.
The limestone cenotes and caves of the Yucatan Peninsula are very unique to this area, you won’t find anything quite like them anywhere else around the world. They’re one of my favorite tourist attractions in Mexico! ★
Traveling To Mexico Soon?
Don’t forget travel insurance! I’m a big fan of World Nomads for short-term trips. Protect yourself from possible injury & theft abroad. Read more about why you should always carry travel insurance here.
More Information
Location: Playa del Carmen, Mexico
Total Cost: $79 USD adults, $39 USD children
Official Website: RioSecreto.com
Book A Tour: All Mexico 365
Useful Notes: Rio Secreto provides lockers to store your valuables & clothes. At the end of the tour there is a complimentary lunch. Not recommended for people afraid of water or tight spaces.
Recommended Guidebook: Lonely Planet Yucatan
Suggested Reading: The Maya: Ancient Peoples & Places
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Amazing Pink Lakes Of Las Coloradas
Mexico Travel Budget: How Much Does It Cost?
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Disclosure: Some of the links in this post are “affiliate links.” This means if you click on the link and purchase the item, I will receive an affiliate commission. Regardless, I only recommend products or services I use personally and believe will add value to my readers.
This is a post from The Expert Vagabond adventure blog.
Source: expertvagabond.com