Both numbers are actually correct depending on how you define the term "national park" within the United States. As of 2026, there are exactly 63 sites that hold the specific, prestigious "National Park" designation (such as Yellowstone, Yosemite, and the Grand Canyon). These are often considered the "crown jewels" of the system and require an Act of Congress to be established. However, the National Park Service (NPS) actually manages a much larger network of over 430 units in total. This broader count includes national monuments, national historic sites, national battlefields, national preserves, and national seashores. So, while only 63 are strictly "National Parks" by name, the 430+ figure represents the total number of individual "units" or "sites" that make up the entire National Park System. This distinction is important for travelers, as many sites without the "National Park" title, like the Statue of Liberty or the Blue Ridge Parkway, offer equally significant cultural and natural value while falling under the same federal management and protection.