Blue+Mountains

The Blue Mountains, take place in the first age and a small portain of the range was able to surive untill the 4th age. It is also known as Ered Luin. It is bordered by Beleriand and Eriador. No one has really known the Blue Mountains very well with an excepetion of a few people. It has not been mentioned much at all in Tolkien's books of the Third age and the Second age. (Upper left hand corner of map.)

Sources: www.thetolkienwiki.org