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Thorn Sir

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This article is non-canon.

Thorn Sir ("Eagle-stream") was a river at the bottom of a gorge in the Encircling Mountains into which Glorfindel and the balrog fell into. After this battle the river was stained black by the balrog's blood for many days.[1]


  1. J.R.R. Tolkien, Christopher Tolkien (ed.), The Book of Lost Tales Part Two, "The Fall of Gondolin", pp. 192-194