Related Clues:

• River of forgetfulness
• Ferry river
• Charon crossed it
• Hades boundary
• It ran around Hades
• 'The Divine Comedy' river
• Mythological river
• Hades river
• Charon's course
• River of oblivion
• See 38-Down
• River in Dante's 'Inferno'
• River down under
• It circled Hades nine times
• Achilles was dipped into it