Hercules), the powerful demi-god,
entered the underworld through this cave.
The actual entrance to the underworld is
located in the second chamber, where a
narrow staircase leads down into a dark,
5 0 m w i d e c h a m b e r. T h e r e i s a n
underground lake and human traces like
paintings.
The city Heraclea Pontica is a Greek
colony on the Anatolian Black Sea coast,
at the mouth of the river Lycus. It was
founded around 560 BC and named
after Heracles. It was the birthplace of
the philosopher Heraclides Ponticus.