Board a boat on the Grijalva and glide beneath towering limestone walls, then trade canyon silence for the colonial squares of Chiapa de Corzo. This full‑day combo pairs dramatic geology with living history just a drive from San Cristóbal.
More ways to explore the area's outdoor wonders
You step onto a low jetty and the Grijalva River takes the lead, the current daring you toward vertical walls that rise like folded pages of rock.
Difficulty
moderate
Duration
8 hours
Fitness Level
Moderate — able to board a small boat, stand for portions of the ride, and walk short uneven streets in Chiapa de Corzo.
Wildlife
History
Sumidero’s cliffs record a deep marine past turned to limestone, while Chiapa de Corzo preserves a 16th‑century colonial layout centered on La Pila and the founding ceiba tree.
Conservation
The canyon is a protected national park—stay on designated boats and avoid feeding wildlife; local guides support conservation through regulated access and visitor education.
Reserve your spot on the Sink Canyon and Cork Chiapa today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Morning light is best
Book an early departure to avoid stronger winds and get softer light for canyon photography; afternoons can be busier and windier.
Bring motion‑sickness remedies
The river ride is smooth but long; those prone to seasickness should take medication or use acupressure bands ahead of time.
Pack a dry bag
Spray from the river and sudden showers are common—keep electronics and documents dry in a small waterproof pouch.
Cash for markets
Chiapa de Corzo vendors often accept only pesos; carry small bills for crafts and snacks.
Light waterproof jacket
Protects against river spray and sudden tropical downpours.
summer
Dry bag or waterproof phone case
Keeps camera, documents, and electronics safe from spray.
Motion‑sickness medicine or bands
Useful for sensitive riders during the multi-hour river passage.
Sturdy closed‑toe shoes
Good for getting on/off boats and walking cobbled streets in Chiapa de Corzo.