page_title: List of areas in the United States National Park System
section_title: Existing national parks
hierarchical_section_title: List of areas in the United States National Park System / National parks / Existing national parks
caption_attribution_description: Bogachiel Peak, Olympic National Park, Washington, USA
context_page_description: The National Park System of the United States is the collection of physical properties owned or administered by the National Park Service. The collection includes all national parks and most national monuments, as well as several other types of protected areas of the United States.
  As of January 2020, there are 419 units of the National Park System. However, this number is somewhat misleading. For example, Denali National Park and Preserve is counted as two units, since the same name applies to a national park and an adjacent national preserve. Yet Jean Lafitte National Historical Park and Preserve is counted as one unit, despite its double designation. Counting methodology is rooted in the language of a park's enabling legislation.
  In addition to areas of the National Park System, the National Park Service also provides technical and financial assistance to several affiliated areas authorized by Congress. Affiliated areas are marked on the lists below.
  The National Register of Historic Places, which contains nearly 79,000 entries, is administered by the National Park Service.
context_section_description: There are 62 officially designated national parks in the United States and its dependent areas.
caption: Olympic National Park
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