Hmmmm.... I should try using a map another time
Third age, right?
Ered Luin
Ered Mithrim
Iron Hills
Hithaglir
Ered Nimrais
Ered Lithui
Ephel Duath
Mountains of Mirkwood
East:
Orocarni The mountains of the East
Further East:
Walls of the Sun
South:
Grey Mountains
West:
Pelori
Last: You could argue for
Morgai too