The Encyclopedia of Arda - an interactive guide to the world of J.R.R. Tolkien
Location
Northern Mordor
Pronunciation
o'rodruin ('ruin' is pronounced as in English)
Meaning
'Mountain of Red Flame'
Other Names

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  • Updated 28 December 2003
  • Updates planned: 2

Orodruin

Mount Doom

Map of Orodruin
Orodruin

The fire-mountain in the northern parts of Mordor, in which Sauron forged the One Ring during the Second Age, and into which the same Ring fell thousands of years later to bring about the Dark Lord's downfall.

When Sauron chose the land of Mordor as his dwelling-place in the Second Age, Orodruin was the reason for his choice. He 'used the fire that welled there from the heart of the earth in his sorceries and his forging' (from Of the Rings of Power and the Third Age); the most famous result of his forging, and in fact the only one we know of for sure, was the One Ring, made in about the year II 1600. So powerful was the sorcery used in the making of the Ring that it could not be unmade, except by casting it back into the same fire that had forged it.

The first opportunity to destroy the Ring came in the last year of the Second Age, at the end of the War of the Last Alliance. Sauron was defeated in that War, and Isildur cut the Ring from his hand. Elrond and Círdan counselled him to destroy the Ring then1 (the battle had taken place at the gates of Barad-dûr, and Orodruin was therefore near at hand), but Isildur refused, and claimed the Ring for himself. So the doom of the Third Age was made.

Orodruin was far more than a natural volcano - Sauron extended his own power into it, and was able to control its fires. It seems to have lain dormant when Sauron was away from Mordor, and sprung into life when his power grew. After the Downfall of Númenor, for example, the Exiles in Middle-earth first knew that Sauron had also escaped the Downfall when they saw smoke rising from Orodruin, and an Age later at the Council of Elrond (The Lord of the Rings II 2), Boromir says 'Smoke rises once more from Orodruin that we call Mount Doom'.


Notes

1

It isn't clear how Elrond or Círdan could know that throwing the Ring into Orodruin would destroy it - neither of them had had any part in the making of the Rings of Power, and both had refused Sauron's lore when he offered it to them. At this time, though, both Elrond and Círdan were themselves Ring-bearers (of the Elven-rings Vilya and Narya), and perhaps these Rings gave them special insight.

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