Mountain Pine is a city in Garland County, Arkansas, United States.

[3] It is located immediately southeast of Lake Ouachita below the Blakely Mountain Dam.

The city consists of five defined neighborhoods, Pinewood (north), South Mountain Pine, a business district (city hall, bank, post office, store), Cozy Acres (southwest) and Mountain View/Timberland area.

[3] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[5] As of the 2020 United States census, there were 585 people, 284 households, and 147 families residing in the city.

Public education for early childhood, elementary and secondary school students is provided by: Mountain Pine is connected by Arkansas Highway 192, which connects to Arkansas Highway 7 between Hot Springs Village and Jessieville, and by Arkansas Highway 227, which connects to U.S. Route 270 in Hot Springs.