It is called Stix and Heraculs used it to get Cerberus out of the UnderWorld
the river that marks the entrance to the under world in Greek mythology is the River Styx
The river Styx.
iver of styx
The Styx
the name of the river is styx
Hades is a term that can be applied to the Underworld (the abode of the dead) or as a name of the God of the Underworld. There are five rivers in the Underworld, but the most well known is the river Styx. The other four are Acheron, Cocytus, Lethe, and Phlegethon.
the sea of fire
The River Styx is the most well known river in the Underworld. It is the river of oath. Charon has to ferry the dead souls across it so they can enter the Underworld. The river Lethe is also an Underworld river. It is the river of forgetfulness. If you touch or drink its waters, you will forget your identity.
Styx is the Underworld river; there is no moon in the Underworld.
People were passed over the "River Styx" to reach the Underworld.
River Lethe.
Lethe is the Greek Goddess of oblivion/forgetfulness, associated with the Underworld river of the same name.
In Greek mythology, the ferryman's name is Charon. He is responsible for carrying souls across the River Styx to the underworld.
the river styx
River Styx
When Hades became assocated with the Christian "Hell", also there is a river Pyriphlegethôn, which was a river of fire. Hades of course, is both the name of the Underworld and the name of its King.