Brilthor was one of the six swift rivers that flowed westward from the mountains of the Ered Luin to meet the long course of the Gelion on the borders of Ossiriand. The Brilthor lay between the rivers Legolin and Duilwen.
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Silmarillion, "Map of Beleriand and the Lands to the North"
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Lost Road and Other Writings, Part Three: "The Etymologies", pp. 372 (entry "MBIRIL"), 392-3 (entries "THOR-", "THORON-")
|Seven Rivers of Ossiriand|
|Gelion · Ascar · Thalos · Legolin · Brilthor · Duilwen · Adurant|