This special 5th Edition features over 100 revised pages. It covers all 150 official trails in Great Smoky Mountains National Park with in-depth narratives and invaluable profile charts that show mileage, elevation change, and major stream crossings at a glance. It includes information on all back-country campsites, shelters, regulations and permit/reservation information. New edition is pocket-sized and includes Mountains-to-Sea Trail and handy pocket in the back cover to hold park map.