Navigate the Grijalva River through the towering walls of Sumidero Canyon, then stroll the historic streets of Chiapa de Corzo. This full-day boat tour from San Cristóbal combines dramatic geology, wildlife viewing and a taste of local culture.
More ways to explore the area's outdoor wonders
You step out of the air-conditioned van into a ribbon of heat and river breeze: the Grijalva pushes forward beneath steep, ochre walls and the canyon narrows like a throat. The shared boat rocks at Cahuaré pier, engines humming, and the guide points to a dark notch where shadow hides spider monkeys and the occasional crocodile slides into sunlight.
Difficulty
easy
Duration
8–9 hours
Fitness Level
Suitable for most fitness levels; requires short walks, standing on a moving boat and climbing viewpoint steps.
Wildlife
History
Sumidero Canyon formed as the Grijalva River exploited tectonic faulting; the area has long been significant for indigenous Chiapan communities and later colonial transit routes. Chiapa de Corzo’s Pila showcases Mudéjar-influenced masonry introduced during the colonial period.
Conservation
Sumidero Canyon is protected as a national park, and operators emphasize no-feeding wildlife, proper waste disposal and staying on designated paths to limit disturbance to cliff and riparian habitats.
Reserve your spot on the San Cris - Canyon of the Sump Miradores Chiapa - San Cris in Spanish today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring sun protection
The river run exposes you to strong sun—hat, sunscreen and polarized sunglasses make long views comfortable.
Wear non-slip shoes
Viewpoint access includes steps and uneven ground; closed-toe, grippy footwear helps on the miradores.
Take motion-sickness precautions
If you’re prone to seasickness, take medication before boarding; the river can be choppy in places.
Carry small cash
Vendors in Chiapa de Corzo and small snack stalls near viewpoints may only accept cash for souvenirs and snacks.
Sunscreen (SPF 30+)
Protects skin during extended sun exposure on the boat and at the miradores.
summer
Sturdy, non-slip shoes
Provides traction on boat ramps, steps and uneven viewpoint trails.
Light rain jacket or windbreaker
Shields from river spray and cooler breezes in early morning or wet season showers.
spring
Binoculars or telephoto lens
Helps pick out birds, monkeys and crocodiles along cliff ledges from the boat.