Signal Mountain is located at the northwestern border of Chattanooga. Signal Mountain is larger that Lookout Mountain and Elder Mountain. Signal has 8,573 residence. Home prices on signal Mountain start around $200,000 and go up. Signal Mountain does have its share of luxury homes as with all of the brow property and beautiful views of the valley that it has. Signal also has a private golf club, public fields, and a swimming area. It has a great community feel, a very good elementary school, middle school, and high school.