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Felix Sotomayor - Ost-in-Edhil cropped.jpg
Physical Description
LocationAt the confluence of Sirannon and Glanduin
InhabitantsElves of Eregion
General Information
EtymologyS. "Fortress of the Elves"
(ost "fortress" + edhil "elves")
EventsSack of Eregion
"Deep they delved us, high they builded us, fair they wrought us, but they are gone."

Ost-in-Edhil (S.A. 7501697, existed for c. 947 years) was the capital city of Eregion, a kingdom of Noldor and Sindar in Eriador. It lay where the rivers Sirannon and Glanduin met.


Ost-in-Edhil was founded by Galadriel and Celeborn, before the time they ruled Lothlórien. The Elves began trading with the Dwarves of Khazad-dûm and built a large road to connect the city with the West-gate of the Dwarven kingdom. The Elves of Eregion also traded with the Men of Númenor. After the Númenóreans founded the city of Tharbad to the south of Ost-in-Edhil, Galadriel is recorded meeting with Aldarion before he took up the Sceptre.

In time the Gwaith-i-Mírdain, a brotherhood of Elven craftsmen, was founded. They were led by Celebrimbor, the greatest smith since Fëanor. Sometime after S.A. 1350 Galadriel left for Lórien and Celebrimbor became Lord of Ost-in-Edhil.

In 1200 a mysterious craftsman named Annatar came to the city, offering his considerable talents. For 400 years they learned from him and together forged many Rings of Power. Annatar was, in truth, Sauron, who returned to Mordor to forge the One Ring. The Dark Lord returned with an army of Orcs and began the War of the Elves and Sauron, in which Celebrimbor was slain and Ost-in-Edhil was completely destroyed.[2]

Centuries later the Fellowship of the Ring encountered the ruins of Ost-in-Edhil shortly before reaching Moria.[1]


  1. 1.0 1.1 J.R.R. Tolkien, The Lord of the Rings, The Fellowship of the Ring, "The Ring Goes South"
  2. J.R.R. Tolkien, Christopher Tolkien (ed.), Unfinished Tales, "The History of Galadriel and Celeborn"