Individual #River_Lethe__Lethe  (Greek mythology) a river in Hades; the souls of the dead had to drink from it, which made them forget all they had done and suffered when they were alive
  instance of:  river
  part of:  Hel__Hell__Hades__infernal_region__netherworld__Scheol__underworld  (in various religions) the world of the dead; "he didn't want to go to hell when he died"

No statement uses or specializes River_Lethe; click here to add one.