Blue Mountain is a town in Logan County, Arkansas, United States.

The town sits in a valley bordered to the south by 860-foot-high (260 m) Potts Ridge and to the north by the west end of Mount Magazine, which 4 miles (6 km) farther east rises to the highest point in Arkansas at 2,753 feet (839 m).

According to the United States Census Bureau, the town of Blue Mountain has an area of 1.1 square miles (2.8 km2), all of it recorded as land.

[3] The town is drained by Ashley Creek, which flows to the south through Potts Ridge to Blue Mountain Lake, a reservoir on the Petit Jean River, an east-flowing tributary of the Arkansas River.

There were 5.6% of families and 19.3% of the population living below the poverty line, including 23.5% of under eighteens and 3.8% of those over 64.