Altus is a town in Franklin County, Arkansas state. It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. The population was determined to be 817 at the 2000 census.
The town is located in the Boston Mountain range between the Ozark Mountains to the north and the Ouachita Mountains to the south. The soil type here is generally Linker on the hilltops, which is a sandy loam, slightly acid soil and good for grape growing. Several wineries are located in Altus and it is the location of the Altus American Viticultural Area. It is also home to three of the six Arkansas wineries and the Altus AVA, (Chateau aux Arc Winery), (Mount Bethel Winery), and (Post Familie Winery). Another winery, the Wiederkehr Winery, is north of Altus, in Wiederkehr village.