Discover a Unique Secret River with Plus EXPERIENCE in Bike route & Rappel

Imagine venturing deep beneath the earth’s surface into a hidden world filled with shimmering stalactites, luminous waters, and secret passages. For just $139 per person, this 6-hour adventure offers a blend of caving, biking, and snorkeling, starting from Playa del Carmen and taking you into the mysterious underground realm known as Rio Secreto. Guided by friendly local experts, you’ll rappel into caves, pedal through jungle trails, and marvel at natural formations that tell stories older than most civilizations.
What sets this tour apart is its active approach—you’re not just observing but participating. We love the combination of physical activity and awe-inspiring sights, especially the chance to cycle through lush jungle paths before plunging into the underground river system. The light and sound show inside the dry cavern is a real highlight, making this not just an adventure but an experience that appeals to the curious traveler eager for a touch of mystery and adrenaline.
A possible consideration is the moderate physical fitness required—rappelling, biking, and swimming demand a bit of stamina. Also, some might prefer not to wear a wetsuit, as suggested by a reviewer who recommends shorts and a swim shirt for more comfort. This tour is best suited for those who enjoy active outings and are comfortable with a small group setting (max 22 travelers). If you’re after a more relaxed day, this might not be your ideal choice, but for those craving a hands-on adventure, it offers authentic thrills in a spectacular setting.
Who will love this tour?
Travelers who appreciate adventure with a purpose, those interested in geological wonders, underground landscapes, and active pursuits, will find this tour particularly rewarding. It’s perfect for nature lovers, curious explorers, and those looking for a unique experience that combines physical activity with natural beauty. The inclusive nature—lunch, snorkel gear, and transfers—makes it a practical choice for visitors based in Cancun or Playa del Carmen wanting a full day of discovery.
Planning more time in Playa del Carmen? We've covered other experiences worth considering.
Key Points

- Active adventure blending biking, rappelling, and water exploration.
- All-inclusive: transfers, lunch, snorkeling gear, and towels included.
- Accessible for most with moderate fitness levels, but some effort is needed.
- Spectacular geological formations with a story that dates back millions of years.
- Small group size ensures a more personalized experience.
- Weather-dependent: good weather is necessary; cancellations are possible if conditions are poor.
Dive into the Underground: What to Expect on the Tour

This tour kicks off with a pick-up at your hotel in Playa del Carmen or Cancun, where you’ll step into a clean, air-conditioned van. The journey to Rio Secreto, located in the Riviera Maya, takes about an hour but feels quicker thanks to the anticipation of what’s to come. The small group size (maximum 22 people) ensures you won’t get lost in the crowd, and the guides are known for being friendly and attentive.
Arrival and Equipment
Once at the site, you’ll be greeted and provided with all necessary gear—wetsuits, helmets with flashlights, and special shoes. A quick safety briefing follows, emphasizing the importance of following instructions during rappelling and water activities. As Kaitlyn noted in her review, wearing shorts and a swim shirt instead of a wetsuit might make the experience more comfortable, especially if you’re cautious about feeling too confined.
Exploring Xibalba: The Underworld
The core of the adventure is descending into the underground river system, a place the Mayans considered the Xibalba, or the underworld. The journey involves rappelling into a sinkhole, which is a thrilling way to begin your descent into the depths. The guides ensure safety while making the experience accessible for beginners but still exciting for those more experienced.
Once inside, you’ll walk, swim, and snorkel through crystal-clear waters flanked by pristine stalactites and stalagmites. The lighting in the caverns creates a surreal atmosphere, highlighting the natural sculptures that have formed over thousands of years. The sound and light show inside the dry cavern adds a theatrical touch, making the experience feel almost otherworldly.
Bike Ride through the Jungle
Before or after the underground exploration, you’ll enjoy a guided bike route through lush jungle trails. This part of the tour offers an excellent opportunity to observe local flora and fauna while getting some fresh air and exercise. The route is designed to transport you closer to Xibalba, blending adventure and nature seamlessly—an aspect we particularly appreciated.
Snorkeling and Relaxation
After the underground and biking adventures, you’ll have the chance to snorkel in the underground river. The provided gear is clean and easy to use, and the waters are wonderfully clear. It’s a relaxing way to end the activity, soaking in the natural beauty and marveling at the underground world.
Lunch and Final Notes
A buffet lunch with local flavors and a refreshing drink helps restore energy before heading back. The included towels and lockers add convenience, so you can focus on enjoying each moment.
Is It Worth the Price?

At $139 per person, this tour offers a full day of adventure and discovery. The package includes transfers, equipment, lunch, and towels, which makes it a good value considering the variety of activities packed into the day. The use of snorkeling gear and lockers adds convenience, removing logistical worries.
While it’s not the cheapest activity around, the combination of underground exploration, biking, and snorkeling makes it stand out. It’s especially valuable for travelers eager to experience the geological marvels of the Riviera Maya and prefer a hands-on, active day over a passive tour.
Additional Details for Travelers

- Meeting point is at the Rio Secreto location, with transportation provided from many Cancun hotels.
- The tour lasts approximately 5 to 6 hours, so be prepared for a full day.
- Confirmation is immediate, and free cancellation is available up to 24 hours in advance—giving peace of mind in case of weather issues or change of plans.
- Moderate physical fitness is recommended, as rappelling, biking, and swimming require a good baseline of stamina.
- The tour is capped at 22 travelers, ensuring a more intimate experience.
- Photos are available at an extra cost, so if capturing memories is important, consider purchasing a package.
Authentic Traveler Insights

One reviewer shared, “Had a good time, would like to rappel more than once.” This highlights how engaging and dynamic the activity can be, especially for those who enjoy height and adventure. They also suggested not wearing a wetsuit, favoring shorts and a swim shirt, implying that comfort matters.
Another note from the review emphasizes that this experience is memorable and worth returning for, especially for those wanting to see the underground world in a fun, active way. The small group size ensures personalized attention, which enhances safety and enjoyment.
Final Words

This tour offers a unique peek into the Mayan underworld—a destination that’s both adventurous and awe inspiring. The mix of cycling, rappelling, and snorkeling ensures no two moments are alike, making it a great choice for active travelers looking for a full, engaging day. The inclusion of lunch, equipment, and transfers makes it convenient and straightforward, particularly appealing for visitors based in Cancun or Playa del Carmen.
While it requires a moderate level of fitness, the effort is rewarded with sights and sensations that stay with you long after the day ends. If you’re looking to combine adventure, natural beauty, and a touch of mystery, this tour hits the mark.
FAQ

Is transportation included?
Yes, round-trip transfers are included from many Cancun hotels, making logistics simple and stress-free.
How long does the tour last?
The entire experience takes about 5 to 6 hours, providing a full day of adventure.
What gear do I need to bring?
All equipment—including wetsuits, helmets, and shoes—is provided. You might prefer wearing shorts and a swim shirt instead of a wetsuit for comfort, as suggested by some travelers.
Is the tour suitable for children or less active travelers?
It’s designed for those with moderate physical fitness. Rappelling, biking, and swimming are involved, so younger children or those with mobility issues might find it challenging.
What is the cancellation policy?
You can cancel free of charge up to 24 hours before the activity, with a full refund.
Are photos available?
Yes, but they cost extra. You might consider purchasing the package if capturing memories is important.
What happens in case of bad weather?
The tour is weather-dependent. If canceled due to poor conditions, you’ll be offered a different date or a full refund.
In the end, whether you’re a thrill-seeker, an explorer, or simply curious about Mexico’s underground secrets, this tour offers a well-rounded, memorable experience. It’s a chance to see the unseen, challenge yourself, and enjoy the natural wonders of the Riviera Maya—all in one exciting day.
More Tour Reviews in Playa del Carmen
- Super Deal: Cancun Airport-Hotel-Cancun Airport Private Round Trip Transfer
- Catamaran Tour to Isla Mujeres Snorkeling with Buffet and Open Bar
- Private Half Day Tour in Cenote Cave and Swimming with Turtles
- Chichén Itzá Tour Explore Maya Wonders from Playa del Carmen
- 3 days diving in cenotes for certified divers
- Swim with Turtles in Akumal + GoPro Photo Session
More Playa del Carmen experiences we've covered
- Super Deal: Cancun Airport-Hotel-Cancun Airport Private Round Trip Transfer
- Catamaran Tour to Isla Mujeres Snorkeling with Buffet and Open Bar
- Private Half Day Tour in Cenote Cave and Swimming with Turtles
- Chichén Itzá Tour Explore Maya Wonders from Playa del Carmen
- 3 days diving in cenotes for certified divers
- Swim with Turtles in Akumal + GoPro Photo Session
- Private Whale Shark Tour from Playa del Carmen
- Holbox Island Adventure from Riviera Maya
- Chichen Itza Private Tour Early & direct Access + Valladolid
- Safe Trip: One Way Cancun / Riviera Maya Shuttle Hotel / Airport / Hotel
- Cancun Airport and Casa del Mar by Moskito Private Shuttle
- Full Day Private Tour in Chichen Itza, Cenote, and Valladolid
