Lernaea Mythology

The Lernaea is known as the place where Hercules performed his second feat, killing Lernaia Hydra. The area was associated with marshes and springs considered chthonic and mysterious, often as gates to the underworld.

See also: Hercules, Lernaean Hydra, Labors of Hercules

Mythical home of the Hydra slain by Heracles. More info: https://mythoi.org/en/lerna/