Híri
From Tolkien Gateway
Híri was a stream in Valinor, according to the early version of the legendarium in The Book of Lost Tales.
It started to the north of the hill of Kôr, and then flowed across the plain of Valinor until it plunged underground north of the roots of Silpion near Sirnúmen. It is possible that it eventually reached the Outer Sea.[1]
