Naharon Cave produced the oldest skeleton found in the Tulum Caverns, called the Eve of Naharon. It was found at 368 meters from the entrance and 22.6 m deep. The skeleton is that of a woman that was 1.41 m tall and weighed 53 kg. She was determined to be between 20 and 30 years old at the time of death. The find was radiocarbon dated to the age of 13,600 years BP.