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

| Name_ | Location_ | Date_established | Area | Description_ |
|---|---|---|---|---|
| Lake Clark | Alaska , 60°58′N 153°25′W﻿ / ﻿60.97°N 153.42°W | December 2, 1980 | 2,619,733.21 acres (10,601.7 km2) | The region around Lake Clark has four active volcanoes, including Mount Redoubt, rivers, glaciers, and waterfalls. There are temperate rainforests, a tundra plateau, and three mountain ranges. |
| Lassen Volcanic | California , 40°29′N 121°31′W﻿ / ﻿40.49°N 121.51°W | August 9, 1916 | 106,372.36 acres (430.5 km2) | Lassen Peak, the largest plug dome volcano in the world, is joined by all three other types of volcanoes in this park: shield, cinder dome, and composite. Other than the volcano, which last erupted in 1915, the park has hydrothermal areas, including fumaroles, boiling pools, and steaming ground, heated by molten rock under the peak. |