If you’ve ever wondered, “When are National Park Days?” you’re in the right place!
National Park Days are special dates when the National Park Service (NPS) opens the gates to hundreds of U.S. National Parks– free of charge. These Free National Park Days allow everyone to explore America’s breathtaking natural wonders without paying entrance fees.
For many, National Park Free Entrance Days are the best time to visit national parks, whether chasing waterfalls in Yosemite, hiking the red rocks of Zion, or spotting wildlife in Yellowstone. If you plan your next adventure, discover the 2025 dates, top parks to visit, and how to make the most of these National Park Service Free Days.

2025 National Park Days & Free Entrance Dates
So, when are National Park Days in 2025? Here’s the list of National Park Free Entrance Days announced by the National Park Service:
- January 20 — Martin Luther King Jr. Day
- April 19 — First day of National Park Week
- June 21 — Juneteenth National Independence Day
- August 4 — Anniversary of the Great American Outdoors Act
- September 28 — National Public Lands Day
- November 11 — Veterans Day
On these National Park Days, you won’t pay an entrance fee at 400+ parks that generally charge. Remember that other fees (like camping or tours) still apply.
Best National Parks to Visit on Free Entrance Days
These National Park Service Free Days are a golden opportunity to visit some of the most iconic (and expensive!) parks. Here’s our list of the Best National Parks to Visit when entry is free:
1. Yosemite National Park, California
- Famous for: El Capitan, Half Dome, Yosemite Falls
- Standard fee: $35 per vehicle
- Tip: Arrive early to avoid crowds on National Park Days.
2. Grand Canyon National Park, Arizona
- Famous for: Vast canyon views, hiking the Bright Angel Trail
- Standard fee: $35 per vehicle
- The best time to visit is sunrise or sunset for epic photo ops.
3. Yellowstone National Park, Wyoming/Montana/Idaho
- Famous for: Geysers (Old Faithful), wildlife, hot springs
- Standard fee: $35 per vehicle
- Pro tip: Plan a multi-day trip to see more of this massive park.
4. Zion National Park, Utah
- Famous for: Angels Landing, The Narrows
- Standard fee: $35 per vehicle
- The best time to visit is spring and fall, so avoid peak summer crowds.
5. Acadia National Park, Maine
- Famous for: Coastal hikes, Cadillac Mountain
- Standard fee: $35 per vehicle
- Plan: Parking fills up quickly on Free National Park Days.
6. Rocky Mountain National Park, Colorado
- Famous for: Trail Ridge Road, alpine lakes, elk watching
- Standard fee: $30 per vehicle
- Note: Timed-entry reservations may still be required.
7. Arches National Park, Utah
- Famous for: Delicate Arch, over 2,000 natural arches
- Standard fee: $30 per vehicle
- The best time to visit is early morning or late afternoon.
8. Glacier National Park, Montana
- Famous for: Going-to-the-Sun Road, glacial lakes
- Standard fee: $35 per vehicle
- Tip: Free Entrance Days can save money, but make early lodging reservations.
How to Plan a National Park Trip
Taking advantage of Free National Park Days requires a bit of strategy! Here’s how to make the most of it:
- Arrive early: Parking lots often fill up by mid-morning on National Park Days.
- Check for permits: Some parks (like Arches and Yosemite) may require a timed entry reservation, even on National Park Service Free Days.
- Pack smart: Bring water, snacks, maps (offline), and dress in case the weather changes.
- America the Beautiful Pass: If planning multiple trips, consider purchasing this annual pass. It offers unlimited access to U.S. National Parks- a great deal if you visit often!
Alternative Ways to Enjoy National Parks Year-Round
Can’t make it on National Park Free Entrance Days? No worries- there are other ways to experience the U.S. National Parks without breaking the bank!
- Volunteer for National Park Week or Public Lands Day and get free admission vouchers.
- Visit lesser-known parks, many of which are always free (Great Smoky Mountains NP is one!).
- Off-season visits: The best time to visit national parks is often during spring or fall- fewer crowds and lower costs.
- Ranger programs & virtual tours: Enjoy online experiences or join free educational programs in the parks.
Conclusion
National Park Days offer an unbeatable chance to explore some of America’s most stunning landscapes without an entrance fee. Plan around Free National Park Days or head out whenever inspiration strikes, there’s always something incredible to discover.
So, mark your calendar for the 2025 National Park Free Entrance Days, pack your gear, and hit the trail. There’s no better time to enjoy the great outdoors!
And if you’re looking to enhance your trip, check out Action Tour Guide’s 25+ National Parks Self-Guided Driving Tours Bundle, a great way to explore at your own pace with expert narration, offline access, and total flexibility.