A secret river adventures tour. Explore the nature wonders of the Riviera Maya

Inland from the Riviera Maya's coastline, an underground river cuts through limestone caverns lined with stalagmites and stalactites, forming the centerpiece of a nature park built around adventure activities rather than passive sightseeing. This is a single-day, multi-activity outing through the jungle and its cave systems, mixing water, biking, and rappelling into one extended visit rather than a single guided walk.

The core experience is the underground river itself: a guide leads you on foot through the cavern, pointing out the rock formations that took thousands of years to form, before you slip into the water to snorkel through it, taking in cave ceilings and rock walls from below the surface. From there the day opens up into a mix of activities set within the surrounding jungle terrain. You'll get on a bike to cover more ground and see different corners of the reserve, and when the trail seems to run out, a rappel expedition gives you another way to keep moving through the landscape rather than turning back.

Between the more physical stretches, the park includes what it calls a "room of peace," an interactive space built for a slower, more reflective break in the middle of an otherwise active day. The itinerary lists 660 minutes total, meaning this is a long, immersive visit rather than a quick stop, with enough built-in variety that no single activity dominates the day.

Because the park is described as wheelchair accessible throughout, including its transportation and all areas and surfaces, and as suitable for all physical fitness levels, it's built to work for a wide range of travelers, from families with young children to groups who want an active day without needing prior caving, snorkeling, or rappelling experience. Strollers and specialized infant seats are available on request, and public transportation options exist nearby for those not using the included pickup. What sets it apart from a standard cenote-and-snorkel excursion is the combination of caving, biking, and rappelling layered into a single visit, alongside the more restorative room of peace.

A regional buffet with fresh waters is included as part of the day, along with all the equipment needed for the rappel and bike activities, admission to the nature reserve, and use of a locker for your belongings. Breakfast and a box lunch are not included, so plan to eat beforehand or bring your own if you want food outside the included buffet, and a photo package is available but not part of the standard admission. Pickup service is offered from Cancun hotels and downtown, Riviera Cancun hotels, Riviera Maya hotels, and both Playa del Carmen downtown and the Playacar area; let the operator know your hotel in advance so they can confirm your specific pickup time.