Great Smoky Mountains National Park is much bigger in area. It is more than 10 times bigger than Acadia National Park.
Great Smoky Mountains National Park - 12.94 million (Ranking - 1st) Acadia National Park - 3.97 million (Ranking - 5th)
Great Smoky Mountains National Park - Tennessee and North Carolina (Southeastern United States) Acadia National Park - Maine (Northeastern United States)
There is a significant population of American Black bears in the Great Smoky Mountains. The sightings of black bears in Acadia National Park are rare.
Great Smoky Mountains National Park - Clingmans Dome (6,643 ft/2,025 m) Acadia National Park - Cadillac Mountain (1,528 ft/466 m)
Great Smoky Mountains - White-tailed deer, Elk, Coyote, gray squirrel, Barred owl, Eastern Box Turtle, etc Acadia - White-tailed deer, bobcat, beaver, Snowshoe hare, raccoon, etc