The subject of this article originates from non-canonical sources.
To learn about what is considered "canon" see LOTR:Canon.
The river is non-canonical, as it does not appear in the works of J.R.R. Tolkien, and appears only in the Middle-earth Role Playing game. It is additionally mentioned in the game Middle-earth: Shadow of Mordor.
Gurthrant is Sindarin for "Death-course".
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