At last he reached Allegheny Mountain, in the highest range.

The construction of the second tube at Allegheny Mountain cost $12 million.

It was the first newspaper published west of the Allegheny Mountains.

It is also the oldest black church west of the Allegheny Mountains.

It is the "oldest educational building west of the Allegheny Mountains."

He was probably the first white settler west of the Allegheny Mountains.

It cuts through the Allegheny mountains to the coastal plain beyond.

Transylvania was the first college west of the Allegheny Mountains.

It was later selected as the site for a railroad line across the Allegheny Mountains.

The city lies in the foothills of the Allegheny Mountains.