Signal Mountain was ranked #1 Tennessee city to raise a family, 2013 by Bloomberg Businessweek (Dec. 2012). Award-Winning Signal Mountain Schools. The natural beauty and serene mountain setting of Raptors Roost is the perfect place to build your dream home on 5.36 Acres. Raptors Roost offers underground utilities, city water, the paving is completed and it is septic tank approved. Location is amazing for such a private mountain setting that is only 17 minutes to downtown and 15 minutes to the new development area of Hixson with shopping, dining and entertainment.