This grotto is located in the Palcamayo region. Approximately 37 kilometers drive from Tarma, on the eastern slopes of the Andes. It's the deepest south american grotto with 685 meters deep and about 2,800 meters long, special and sophisticated equipment is required to enter it's dephts do to total darkness, syphons and water currents. Sorry, this sequence is only first 100 meters.