Lookout Mountain is a city entirely within Walker County, Georgia, United States. Bordering its sister town of Lookout Mountain, Tennessee, Lookout Mountain is part of the Chattanooga metropolitan statistical area. The population was 1,641 at the 2020 census. The city is located on Lookout Mountain, home to such attractions as Rock City. This city is often named as home to Covenant College, but the college is actually across the county line in Dade County.

Walker County is a county located in the northwestern part of the U.S. state of Georgia. As of the 2020 census, the population was 67,654, down from 68,756 in 2010. The county seat is LaFayette. The county was created on December 18, 1833, from land formerly belonging to the Cherokee Indian Nation.