China Elevates Underground Tourism With a Daring Chute Slide Through Three-Million-Year-Old Tianquan Cave

Written By: Boby Dey

Boby Dey

A Passionate travel writer at Travel And Tour World with a strong interest in global tourism, destination storytelling, and the ever-evolving travel industry. Dedicated to creating well-researched, engaging, and informative content that highlights emerging travel trends, tourism developments, airline and hospitality news, cultural experiences, and must-visit destinations from around the world.

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September 8, 2026 09:04 GMT+5:30

China takes underground tourism to new heights with thrilling Tianquan Cave chute slide that combines geology with adventure activities.

China is taking underground tourism to new heights. The country is capitalizing on ancient geology while engaging visitors in an adventurous activity inside three-million-year-old Tianquan Cave. A chute slide was installed on a natural rock wall, allowing tourists to get down on the huge underground cave without having to rely solely on stairs. The novelty activity is a part of the larger tourism concept involving an underground river, where visitors can engage in ziplining, cultural performances and traditional dining, in Sichuan Province. This is to show that an ancient natural environment is being presented using modern facilities and that the geological formations continue to be the focal point of the activity.

Tianquan Cave Forms Part of a Major Sichuan Tourism Destination

Tianquan Cave is located inside the Xinzheng Stone Sea Scenic Area in Yibin City, Sichuan Province. The attraction forms part of the wider Xinzheng UNESCO Global Geopark, an area recognised for its distinctive geological landscape and extensive karst formations.

The cave is believed to have been created nearly three million years ago. Over this enormous period, natural geological processes steadily shaped its chambers, passages and underground waterways.

Today, Tianquan Cave has developed into a popular destination for travellers interested in geology, adventure and unconventional sightseeing. Its combination of ancient rock formations and modern visitor facilities distinguishes it from more traditional cave attractions where exploration is generally limited to walking routes.

The installation of the chute slide adds a recreational element to the underground journey. Instead of descending entirely by stairs, visitors can use the slide to travel towards the principal cavern, turning entry into one of the attraction’s most memorable experiences.

An Enormous Cave System Extends for More Than Ten Kilometres

The explored length of Tianquan Cave reaches approximately 10.5 kilometres. This vast underground network is organised across four vertical levels, creating a complicated natural structure beneath the surrounding landscape.

Nearly 100 branches of different sizes have also been identified within the cave. These passages extend away from the main chambers and contribute to the enormous scale of the system.

However, not every explored section is accessible to the public. Tourist access is currently concentrated on the third and fourth levels. The established sightseeing route covers approximately three kilometres, giving visitors an extensive introduction to the cave while keeping the journey within designated areas.

The vertical arrangement means that tourists must travel between different elevations during their visit. The chute slide helps them reach the main cavern more quickly, while walking routes continue to provide access to deeper parts of the attraction.

Although only part of the entire network has been opened for sightseeing, the available route introduces visitors to the scale, diversity and geological character of Tianquan Cave.

Groundwater Created a Spectacular Underground Landscape

The interior of Tianquan Cave was shaped primarily through the continuous action of groundwater. Water moving through soluble rock gradually carved passages, enlarged chambers and created the geological features visible today.

The cavern contains an extensive range of natural rock formations. Stalagmites rise from the floor, while stone columns connect different surfaces in several sections. Flowstone, created when mineral-rich water moved across cave walls or floors, add further texture to the subterranean environment.

These formations developed over extremely long periods. Their varied shapes, colours and dimensions offer visible evidence of the natural processes that formed the cave.

This geological diversity gives Tianquan Cave considerable research value. It also provides the visual foundation for its tourism appeal. Artificial lighting has been installed along selected passages to illuminate the formations and guide visitors through darker or narrower areas.

Rather than functioning only as an adventure venue, the cave remains a geological attraction where the natural environment provides the central experience.

A Chute Slide Creates a Dramatic Entrance to the Main Cavern

The chute slide is one of the most unusual facilities inside Tianquan Cave. Constructed close to the natural rock wall, it gives visitors an alternative to descending a series of stairs on their way towards the central cavern.

Riders move through narrow crevices as the slide follows the shape of the underground environment. Lighting systems installed along the route illuminate the confined passages and allow visitors to observe parts of the surrounding rock as they descend.

The journey eventually ends in the main cavern, where the scale of the cave becomes more apparent. From there, visitors leave the slide and continue exploring on foot.

The attraction adds speed and excitement to an experience that might otherwise involve a comparatively long staircase descent. It also creates a clear transition between the surface entrance and the underground sightseeing route.

The slide does not carry travellers through the entire cave. Instead, it provides access to the principal cavern before the more conventional walking section of the journey begins.

Walking Routes Lead Visitors Towards Deeper Levels

After reaching the central cavern, visitors continue through Tianquan Cave on designated walking paths. These routes provide access to deeper levels and allow tourists to examine the formations at a slower pace.

The walking section remains essential because it connects the slide area with the lower reaches of the cave. Along the way, travellers encounter changing chamber sizes, narrow passages and geological structures created by water over millions of years.

The three-kilometre public sightseeing route spans portions of the cave’s third and fourth levels. While this represents less than one-third of its explored length, it offers a substantial underground journey.

The cave maintains a temperature of approximately 18°C throughout the year. This stable environment can provide relief from outdoor heat during warmer periods, although visitors should still prepare for damp surfaces and cooler underground conditions.

Comfortable footwear with a reliable grip may be useful because tourists must continue walking after completing the chute-slide descent.

An Underground River Adds Another Layer to the Experience

One of the principal attractions at the bottom of Tianquan Cave is the Tianquan underground river. The waterway extends for approximately 1.5 kilometres and can be explored aboard wooden boats.

Visitors reach the river after travelling farther into the cave on foot. They can then board a boat and experience the underground landscape from the water.

The river journey provides a different perspective on the cave’s lower sections. Instead of following a fixed pedestrian route, passengers move through the subterranean environment while seated in a traditional-style wooden vessel.

The boat experience also demonstrates the importance of water in the cave’s formation. Groundwater did not simply create the chambers and rock structures in the distant past; it remains a defining feature of the environment today.

Tickets for the underground boat journey are sold separately from general admission, allowing visitors to decide whether they want to add the river experience to their itinerary.

Adventure, Culture and Dining Create a Complete Tourism Ecosystem

Tianquan Cave has been developed as more than a geological sightseeing attraction. It now supports a broader tourism ecosystem combining natural heritage, adventure, technology, food and cultural presentation.

Ziplining is available for travellers seeking another active experience. Underground river exploration further expands the adventure offering, while the chute slide provides an unusual entrance into the main cave environment.

Traditional long-table feasts are also offered, introducing visitors to a communal style of dining. Music and dance associated with the Hmong community add a cultural component to the underground visit.

These activities broaden the destination’s appeal. Geological enthusiasts can concentrate on the formations and cave structure, while leisure travellers can experience the slide, boat journey, dining and performances.

By bringing several activities together within one scenic area, Tianquan Cave encourages visitors to spend more time at the destination rather than treating it as a brief stop.

Ticket Prices Vary Between Peak and Off-Peak Periods

Admission to the Xinzheng Stone Sea Scenic Area costs 80 yuan during the peak season. The price falls to 40 yuan outside the busiest travel period.

The chute slide is not included in the standard entrance ticket. Visitors who wish to use it must purchase an additional ticket costing 20 yuan.

The underground boat journey also requires a separate 20-yuan ticket. Travellers planning to experience both attractions should therefore include these additional charges when calculating the overall cost of their visit.

This ticket structure allows tourists to personalise the experience. Those primarily interested in the cave’s geological landscape can follow the regular sightseeing route, while adventure-focused visitors can add the slide and boat ride.

China elevates underground tourism by introducing a daring chute slide inside the three-million-year-old Tianquan Cave, transforming ancient geological wonders into an exciting adventure attraction that draws travellers seeking unique experiences.

The attraction’s combination of ancient geology, underground transport and cultural experiences has created a distinctive tourism product in Sichuan. Tianquan Cave now offers visitors the opportunity to slide into its central cavern, walk through million-year-old formations and complete part of the journey on an underground river—all within one remarkable subterranean destination.