National park permits and lotteries, explained
Permits exist where demand would otherwise wreck the place or endanger people: narrow canyon routes, cable systems, wilderness zones, and river trips. They come in two flavours — advance lotteries and near-date releases.
The rules are set per park and change between seasons, so treat what follows as the shape of the system rather than the specifics.
Advance lotteries
High-demand routes run a lottery months ahead. You submit preferred dates during an application window, pay a small non-refundable application fee, and find out weeks later.
Lottery odds depend far more on your date flexibility than on anything else. Midweek dates outside peak season are dramatically easier.
- Apply on the first day of the window — late applications are not weighted differently, but you avoid forgetting.
- List every date you could actually travel, not just your ideal one.
- Group size usually affects your odds. A smaller group draws more often.
Daily and near-date releases
Most permitted activities hold back a share of capacity for release a day or two ahead. This is the realistic path if you did not draw the lottery, and it rewards being physically nearby and flexible.
- Know the exact release time and time zone.
- Be ready to change which day you hike, not whether you hike.
- Have a backup route that needs no permit, so the trip still works.
Wilderness and backcountry permits
Overnight backcountry travel usually needs its own permit with a quota per trailhead and zone. These are less competitive than the famous day-hike permits but have more rules: designated camps, food storage, and group limits.
Apply it to a specific park
- Acadia National Park
- Arches National Park
- Black Canyon of the Gunnison National Park
- Bryce Canyon National Park
- Canyonlands National Park
- Capitol Reef National Park
- Death Valley National Park
- Everglades National Park
- Glacier National Park
- Grand Canyon National Park
- Grand Teton National Park
- Great Sand Dunes National Park
- Great Smoky Mountains National Park
- Guadalupe Mountains National Park
- Hawaiʻi Volcanoes National Park
- Joshua Tree National Park
- Katmai National Park
- Kings Canyon National Park
- Lassen Volcanic National Park
- Mount Rainier National Park
- North Cascades National Park
- Olympic National Park
- Petrified Forest National Park
- Rocky Mountain National Park
- Sequoia National Park
- Shenandoah National Park
- Voyageurs National Park
- White Sands National Park
- Yellowstone National Park
- Yosemite National Park
- Zion National Park