Speleologists (scientists who study caves) and divers have made attempts to explore the cenotes but in many cases have not been able to get to the bottom because of their great depth.
في بعض هذه الفجوات تكون المياه قريبة من مستوى سطح الارض ،‏ لكنها في فجوات اخرى تحت سطح الارض بكثير .‏