Kibil-Tarag is the great northern settlement of the Stiffbeards and theirs primary mansion until Dragon-wars, situated upon an isle of the Mur Fostisyr within the Bay of Utum.
Founded in Y.T. 1112 (-3718) by Thulin. It was habited by his house until T.A. 1712 when it fell during the Dragon-wars: Thulin's ring and heir devoured by a worm as well as Legacy of the Dragonslayers born.
References[]
Other Minds, issue 4, 2008: A Brief History of the Dwarven Mansions