Cocytus or Kokytos (Ancient Greek: Κωκυτός, literally "lamentation") is a river in the underworld in Greek mythology. Cocytus flows into the river Acheron, on the other side of which lies Hades, The Underworld, the mythological abode of the dead. There are five rivers encircling Hades: the Styx, Phlegethon, Lethe, Acheron and Cocytus. == In literature == The Cocytus river was one of the rivers that surrounded Hades. Cocytus, along with the other rivers related to the underworld, was a common topic for ancient authors. Of the ancient authors, Cocytus was mentioned by Dante, Virgil, Homer, Cicero...