Answer:
the River of Ocean in the land of the Cimmerians
Explanation:
There he pours libations and performs sacrifices as Circe earlier instructs him to do to attract the souls of the dead. The first to appear is that of Elpenor, the crewman who broke his neck falling from Circe's roof.
The Mariner's spiritual rebirth begins when he falls asleep. This occurs in Part V, in the first stanza. He describes being wet and tired, but feeling awake, and lighter than he was before. He also mentions Mary, who is a spiritual figure herself, which shows the reader that this is the beginning of a spiritual moment in the poem.
