A River in the Smokey Mountains, taken summer 1985. The Smokey Mountains is one of the largest protected areas in the Eastern United States. World renowned for the diversity of its plant and animal life, the beauty of its ancient mountains, the quality of its remnants of Southern Appalachian mountain culture, and the depth and integrity of its wilderness sanctuary, the park attracts over nine million visitors each year. Once a part of the Cherokee homeland, the Smokies today are a hiker's paradise with over 800 miles of trails.