Isengard

   Númenórean stronghold in the valley called, after its occupation by the wizard Curunír (Saruman), Nan Curunír, at the southern end of the Misty Mountains; translation (to represent the language of Rohan) of the Sindarin Angrenost. See also Circle of Isengard.

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   The fortress of Saruman.

   A Gondorian fortification at the southern end of the Misty Mountains, at the source of the River Isen. It was granted to the Wizard Saruman by Steward Beren of Gondor, and destroyed by the Ents during the War of the Ring, though its central tower of Orthanc remained standing.