Hades, acheron, and Cocytus are mere childish fancies.
"Roman Society from Nero to Marcus Aurelius"
Samuel Dill
196. In Elis acheron.
"A New System; or, an Analysis of Antient Mythology. Volume II. (of VI.)"
Jacob Bryant
At the brink of the dark, fierce-flooded acheron the boat with its boatman, old Charon, lay ready to ferry across to the further shore those whose future lay in the land of Shades.
"A Book of Myths"
Jean Lang