Related Clues:

• One of the rivers of Hades
• River of hell
• River crossed at death
• "Come Sail Away" band
• Final crossing?
• Runner down under?
• Mythological river in Hades
• Olympian gods swore oaths on it
• "Paradise Lost" river
• Cross behind pig house leads to spirit world
• Hades' river of forgetfulness
• River down under?
• Where Achilles was dipped to make him invincible
• The French article produces Greek final solution to forgetting reality
• River of the underworld, in myth