
‘What is that?’ cried Pippin suddenly, clutching at Gandalf’s cloak. ‘Look! Fire, red fire! Are there dragons in this land? Look, there is another!’
The beacons of Gondor are alight, calling for aid. War is kindled. See, there is the fire on Amon Dîn, and flame on Eilenach; and there they go speeding west: Nardol, Erelas, Min-Rimmon, Calenhad, and the Halifirien on the borders of Rohan.
-The Return of the King (Book Five), Chapter 1
The Hill of Eilenach sits as the highest point of the Drúadan Forest. There is little space at its sharp summit, but Gondor manages to maintain a small beacon atop it.