Lookout Mountain is a city entirely within Walker County, Georgia, United States. Bordering its sister city of Lookout Mountain, Tennessee, Lookout Mountain is part of the Chattanooga metropolitan statistical area. The population was 1,602 at the 2010 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.