The Twenty-first Hall was located on the seventh level, and the North-end, of the Dwarven kingdom of Khazad-dûm. In the year TA 3019, the Fellowship of the Ring spent the night in the hall, and in the morning discovered the adjoining Chamber of Mazarbul, where Gandalf discovered a journal that revealed the names of both the chamber and the hall.[1]


  1. The Lord of the Rings, The Fellowship of the Ring, Book Two, Ch. V: "The Bridge of Khazad-dûm"
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