National Park Week will run Aug. 22 through Aug. 30, with a fee-free day for U.S. residents on Aug. 25 marking the National Park Service’s 110th birthday.

The nine-day observance begins with National Junior Ranger Day on Aug. 22 and includes guided tours, educational exhibits and local programs under the theme “Celebrate America’s Story,” according to the Park Service.

The Aug. 25 waiver applies to entrance fees at Park Service sites that normally charge them. It does not automatically eliminate timed-entry or tour reservations, and visitors should not assume camping, lodging, parking, special-use or other activity fees are included.

Most Park Service sites are already free

The Park Service notes that most of its sites do not charge an entrance fee. At fee-charging parks, visitors normally need a standard pass, a park-specific annual pass or an America the Beautiful interagency pass.

Independence Hall’s red-brick facade and white clock tower rise behind a lawn in Philadelphia.
Independence Hall is one of the historic places represented in the National Park System.National Park ServiceView source

The birthday waiver is limited to U.S. residents. The agency’s current pass table separately lists an $80 resident annual pass for U.S. citizens and residents and a $250 nonresident annual pass.

A free-entrance day also does not guarantee entry. Some high-traffic parks use timed vehicle entry or require reservations for tours, buildings or natural features. Those reservations are typically handled through Recreation.gov and can become available on a rolling basis.

A week spanning natural and historic sites

The 433-unit National Park System includes landscapes, battlefields, monuments and historic buildings. The week’s framing ties the service’s birthday to the 250th anniversary of American independence.

Visitors photograph a sunset-lit Grand Canyon from a rim overlook.
Visitors photograph Grand Canyon from Mather Point; NPS advises checking local conditions and reservation requirements before traveling.National Park ServiceView source

Programs differ by park. The national announcement does not create one universal schedule, so the practical source for hours, closures, weather, road conditions and local events remains each park’s own current-conditions page.

Visitors planning around Aug. 25 should check both whether a destination normally charges an entrance fee and whether it requires a reservation. A pass or fee waiver covers access costs; it does not replace a scarce entry slot.

National Park Week ends Aug. 30. The Park Service says hundreds of activities are planned nationally, but it has not published a single final attendance estimate or consolidated count of every local event.