Cenotes are natural wells formed by the collapse of an overlying limestone crust. The ones we saw were basically ponds with rock bottoms and cool, very clear water.
The Cenote Azul is located off of highway 307, just south of the Barcelo resort, between Paamul and Akumal. We were staying at Gran Bahia Principe (Sian Ka’an, Akumal, Coba, and Tulum)....
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