Great Smoky Mountains National Park has over 850 miles of trekking and hiking trails. The famous trails are Laurel Falls Trail, Clingmans Dome observation tower hike, Charlies Bunion hike, etc.
The National park has over 19,000 documented species of flora and fauna. The actual number can be much higher though. The large animals in the National Park are - American Black Bear, Elk, Bobcat, Coyote, etc.