§ Index of Names The Silmarillion

Thangorodrim 'Mountains of Tyranny', reared by Morgoth above Angband; broken down in the Great Battle at the end of the First Age. 90, 109, 125-8, 136,139-40, 180-3, 215, 221, 232, 234, 240, 254, 312, 320, 353-4, 364