Udûn
Appearance
Udûn may refer to the following, in the writings of J. R. R. Tolkien:
- Udûn, Iron Mountains, also called Utumno, the underground fortress of Morgoth in the Age of the Lamps, before the First Age of Middle-earth
- Udûn, Mordor, the plain by the Black Gate at the northwestern point of Mordor in the Third Age
- Udûn (The Lord of the Rings: The Rings of Power), a TV episode, named after the plain in Mordor