Acheron Cocytus and Phlegethon both flowed. The Roman poet Virgil called it the principal river of Tartarus, from which the Styx and Cocytus both sprang. The newly dead would be ferried across the Acheron by Charon in order to enter the Underworld. The Suda describes the river as "a place of healing, not a place of punishment, cleansing and purging the sins of humans". According to later traditions, Acheron had been a son of Helios and either Gaia or Demeter, who had been turned into the Underworld river bearing his name after he refreshed the Titans with drink during their contest
Tartarus Montes Tartarus Montes The Tartarus Montes are a mountain range on the planet Mars, stretching over 1070 km and located around the coordinates 15.46º N, 167.54º E, between Orcus Patera and the Elysium volcanic region. Albedo was first identified from the contrast of bright and dark signals photographed by Eugène Antoniadi. The mountain range was named in 1885. It has been named after Greek deity of the underworld, Tartarus, by the standard planetary nomenclature for Martian landforms. According to Greek myth, Tartarus is the lowest part of Hades. Zeus imprisoned the Titans in Tartarus. The second part of the name "Montes"