where is lookout mountain?
Sponsored Topics. Lookout Mountain is a town in Hamilton County, Tennessee, United States. The population was 2,001 at the 2000 census. It is part of the Chattanooga, TNâGA Metropolitan Statistical Area. Lookout Mountain is located at 34Â°59â²47â³N 85Â°21â²3â³W / 34.99639Â°N 85.35083Â°W / 34.99639; -85.35083 (34.996442, -85.350810).