A good day hike guidebook is Hiking in the Great Smokie's by Carson Brewer
, available at the visitors centers for $2.50 or write P.O. Box 344, Norris, TN 37828. Over 60 trails are included, with mileage (some maps), good directions, and descriptions of the flora along each trail, waterfalls and other points of interest. For backpacking, pick up maps and permits at the visitors centers.