Defiled by Glaurung I 495; destroyed with Beleriand at the end of the First Age

The southern slopes of Ered Wethrin, directly south from Dor-lómin

Ivrin was at the source of the River Narog

i'vrin

There are a number of more specific names related to Ivrin. The spring that gave rise to the River Narog was Eithel Ivrin, and the waterfalls and lakes of this region were known as the Falls of Ivrin and the Pools of Ivrin, respectively.