Discover the mysteries of the Yucatan on a visit to Rio Secreto Nature Reserve. Enjoy an exciting afternoon adventure at Rio Secreto, where you'll wade and swim through an underground river and encounter the stillness of a crystal cave. You can select hotel pickup and drop-off, or meet your guide at a central location in Cancun.

Your guide will either pick you up at your hotel or meet you at Rio Secreto Nature Reserve. Once there, you'll receive a safety briefing and equipment ' including wetsuit, life vest, water shoes and a hardhat with lamp ' before your expedition begins!

Follow your guide into Rio Secreto's underground cave, and admire the stunning crystal-like stalactites and stalagmites as you walk along a path and swim through the turquoise water. Venturing deep inside the cave, take in the peaceful stillness amid the dramatic mineral formations and vivid colors of your pristine surroundings.

When you emerge, enjoy a shower at Rio Secreto's facility or hang out for a bit in a hammock before returning to the plaza or your hotel.

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