'Cool Plain', the region where Celegorm and Curufin dwelt south of the Pass of Aglon. 147, 158, 161 Himring The great hill west of Maglor's Gap on which was the stronghold of Maedhros; translated in the text as 'Ever-cold'. 131,147-8,157, 183-4, 214, 223, 231 Hírilorn The great beech-tree in Doriath with three trunks, in which Lúthien was imprisoned. The name means 'Tree of the Lady'. 208, 226