From Dunland, where he was then dwelling, he went north with Nár, and they crossed the Redhorn Pass and came down into Azanulbizar. When Thrór came to Moria the Gate was open. Nár begged him to beware, but he took no heed of him, and walked proudly in as an heir that returns. But he did not come back.
- Appendix B, The Third Age
For a time, Thrór's hall was the refuge of the survivors of the Sack of Erebor. It was abandoned in favor of the Blue Mountains when the remainders of Durin's folk established Thorin's hall in T.A. 2802.