List of national parks of the United States National parks National parks

| Name_ | Location_ | Date_established | Area | Description_ |
|---|---|---|---|---|
| Great Sand Dunes | Colorado , 37°44′N 105°31′W﻿ / ﻿37.73°N 105.51°W | September 13, 2004 | 42,983.74 acres (173.9 km2) | The tallest dunes in North America are up to 750 feet (230 m) tall and neighbor grasslands, shrublands and wetlands. They were formed by sand deposits of the Rio Grande on the San Luis Valley. The park also has alpine lakes, six 13,000-foot mountains, and ancient forests. |
| Great Smoky Mountains | North Carolina, Tennessee , 35°41′N 83°32′W﻿ / ﻿35.68°N 83.53°W | June 15, 1934 | 521,490.13 acres (2,110.4 km2) | The Great Smoky Mountains, part of the Appalachian Mountains, have a wide range of elevations, making them home to over 400 vertebrate species, 100 tree species, and 5000 plant species. Hiking is the park`s main attraction, with over 800 miles (1,300 km) of trails, including 70 miles (110 km) of the Appalachian Trail. Other activities are fishing, horseback riding, and visiting some of nearly 80 historic structures. |