Camp Carlson, Fort Knox, most of the sites are tree free, but site 2 allows you to be in the pines.
Camp Carlson in Fort Knox, KY has a nice walking path.
Redstone Arsenal, Huntsville, AL
Tennessee River
Lots of walking at Redstone Arsenal.
Lowe Mill, Huntsville AL. The mill was transformed into artist spaces with shops selling their products…we went on a Thursday and most of the shops were closed, but we had fun window shopping.