Here are several websites that have ideas of places to go hiking in the Georgia-Cumberland Conference.

Great Smokey Mountain National Park - Hiking
Hiking Trails near U.S. Metropolitan Areas
GoSmokies.com - a Knox news site
Chattanooga Hiking Club
GeorgiaTrails.com
GORP - Hiking
Tennessee Hiking and Day Trips
Fun Hikes - Hiking for the Fun of It (Atlanta Area)
Southern Appalachian Hiking Trails
Chickamauga and Chattanooga Park Battlefield Hiking Trails
         General Bragg Hike - 4.5 miles
         Cannon Hike - 9.5 miles
         Confederate Lines Hike - 5 miles
         Historical Hike - 10.5 miles
         Memorial Hike - 8.5 miles 
         Perimeter & Nature Trail Hike - 11 miles 
         Blue Beaver Trail on Lookout Mountain - 7 miles
         Blue Beaver Trail Missionary Ridge battle line - 7-8 miles
         Nolichucky Jack Trail Chickamauga Environmental Trail
Chickamauga Battlefield Footsteps - Unofficial trails
         Sam Watkins Hike - 5 and 9.5 miles
         125 Ohio Hike - 6 miles
         York's Georgia Battery Hike - 4 miles
Chickamauga and Chattanooga Battlefields - Historical Handbook No. 25