Next fee-free dayOct 27 · Theodore Roosevelt's birthday. Entrance fees waived for US residents at every park that charges.National Park Service data · updated nightly
433 units of the National Park System

What it costs, what is closed, and when it opens

Fees, hours, alerts and trip-planning facts for every unit in the National Park System.

433official park units
57trails, affiliated and related areas
106charge an entrance fee
364free to enter

The Park Service counts 433 units. This site also has pages for 57 trails, affiliated areas, parts of units and other related areas. The fee figures cover all 474 pages, and 4 have no fee record.

Start with the answers

One question, one table
  1. 1
    Blue Ridge Parkway
    Parkway · NC, VA
    16.5M
  2. 2
    Golden Gate National Recreation Area
    National Recreation Area · CA
    15.7M
  3. 3
    Great Smoky Mountains National Park
    National Park · NC, TN
    11.5M
  4. 4
    Natchez Trace Parkway
    Parkway · AL, MS, TN
    8.0M

All four are free to enter. The full list ranks every unit that reports a count.

One park, in full

National Historic Site · TN
Andrew Johnson National Historic Site

The Park Service lists 1 visitor center, 0 campgrounds and 5 activities here; 3 alerts are active today.

Free to enter3 alerts1 visitor center5 activities
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The park that changed most overnight. Every park page looks like this.

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All 474 pages →
Sources

NPS Data API, Recreation.gov, USGS, NOAA, AirNow and iNaturalist, among other public sources.

Refreshed

Every night. Counts, alerts and fees on this page are as of October 21, 2026.

Open

The whole dataset is CC0. Download it, or read how it is assembled.

Independent

Not affiliated with any agency. Every row links to the official page it came from.

Calendar

Every 2026 fee-free entrance day, for US residents, as an all-day event, updated with the site each night.

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