|Area:||Fields of Fornost|
This ruined fortress is located at the north-eastern corner of the fields, once guarding Fornost from enemies coming past Annúndir. Now the traitor himself, and his numbers, still haunt the place he once gave up.
-  The Oath-breakers - Fellowship
These deeds can be advanced by exploring Ost Nuaran:
These creatures are encountered within this location:
- Ost Nuaran was an outlying bulwark of the great city of Fornost. The betrayal of the fortress commander caused its downfall and allowed Angmar to pass into the city. — Deed