Experience an action-packed adventure deep inside the Yucatán jungle on this 6-hour tour from Cancun. With the help of a guide, wander through Sac Actun and Nohoch Nah Chich, two cenotes part of a wonderland of underground caves, and snorkel around stalagmites. Rappel and zipline into cenotes. Take in the mysticism of a Maya purification ritual before digging into a traditional buffet lunch.