|Region:||The North Downs|
|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 following deeds can be obtained by visiting this location:
-  The Oathbreakers - Fellowship
The following creatures are found within this area:
- 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.
|Settlements, Areas and Landmarks of The North Downs|
|Settlements:||Amon Raith • Esteldín • Treasure Hunters' Camp • Lin Giliath • Othrikar • Trestlebridge|
|Areas:||Annúndir • Dol Dínen • Fields of Fornost • Fornost • Greenway • Kingsfell • Meluinen • Nan Amlug East • Nan Amlug West • Nan Wathren • Rhunenlad • Taur Gonwaith|
|Landmarks:||Amlaith's Scar • Amon Amrûn • Barad Eithel • Barad Harn • Barad Narthan • Dol Nendír • Etten Caves • The Evendim Gate • Falconer's Tower • Fashat Laug • Gatson's Farm • Gatson's South Fields • Glírost • Gurzlum • Haudh Eglan • Hîgropor • Hîsuk • Hrizgur • Kamskut • Kar Lak • Merenost • Minas Vrûn • Mincham's Camp • Nan Wathren Eastern Pass • Nan Wathren Western Pass • Nathan Hodge's Farm • Norbury Gates • Ost Crithlanc • Ost Galumar • Ost Lagoros • Ost Nuaran • Rusfold • Skirmish Camp • The Snares • Stoneheight • Tarkrîp Assault Camp • Tham Lorn • Thurûm • Trestlebridge Gate • The Trestlespan • Tûmat • William Peake's Farm|