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

| Name_ | Location_ | Date_established | Area | Description_ |
|---|---|---|---|---|
| Crater Lake | Oregon , 42°56′N 122°06′W﻿ / ﻿42.94°N 122.1°W | May 22, 1902 | 183,224.05 acres (741.5 km2) | Crater Lake lies in the caldera of Mount Mazama formed 7,700 years ago after an eruption. It is the deepest lake in the United States and is known for its blue color and water clarity. There are two islands in the lake, and, with no inlets or outlets, all water comes through precipitation. |
| Cuyahoga Valley | Ohio , 41°14′N 81°33′W﻿ / ﻿41.24°N 81.55°W | October 11, 2000 | 32,860.73 acres (133.0 km2) | This park along the Cuyahoga River has waterfalls, hills, trails, and displays about early rural living. The Ohio and Erie Canal Towpath Trail follows the Ohio and Erie Canal, where mules towed canal boats. The park has numerous historic homes, bridges, and structures. The park also offers a scenic train ride with various trips available. |