Current NPCheck data from the same park directory used by the interactive guide.
| Park | State | Status | Current details |
|---|---|---|---|
| Arches National Park | Utah | No standard day-use reservation | Timed entry permit required April through October, 6 AM – 5 PM. Book at Recreation.gov. |
| Black Canyon of the Gunnison National Park | Colorado | No standard day-use reservation | |
| Bryce Canyon National Park | Utah | No standard day-use reservation | |
| Canyonlands National Park | Utah | No standard day-use reservation | |
| Capitol Reef National Park | Utah | No standard day-use reservation | |
| Cedar Breaks National Monument | Utah | No standard day-use reservation | |
| Crater Lake National Park | Oregon | No standard day-use reservation | |
| Death Valley National Park | California/Nevada | No standard day-use reservation | |
| Glacier National Park | Montana | No standard day-use reservation | Logan Pass parking limited to 3 hours (July 1 – Sept 7, 2026); free timed parking permit obtained from kiosk on arrival. No vehicle reservation required to enter Glacier. |
| Grand Canyon National Park | Arizona | No standard day-use reservation | |
| Grand Teton National Park | Wyoming | No standard day-use reservation | |
| Great Basin National Park | Nevada | No standard day-use reservation | |
| Joshua Tree National Park | California | No standard day-use reservation | |
| Kings Canyon National Park | California | No standard day-use reservation | |
| Lassen Volcanic National Park | California | No standard day-use reservation | |
| Mount Rainier National Park | Washington | No standard day-use reservation | |
| Natural Bridges National Monument | Utah | No standard day-use reservation | |
| Petrified Forest National Park | Arizona | No standard day-use reservation | |
| Pinnacles National Park | California | No standard day-use reservation | |
| Redwood National Park | California | No standard day-use reservation | No timed entry or vehicle reservation required to access the park or scenic drives. Tall Trees Trailhead: free permit required year-round (Recreation.gov, up to 24 hours in advance). Fern Canyon/Gold Bluffs Beach: free day-use permit required May 15–September 15 (Recreation.gov, up to 24 hours in advance). Backcountry camping: free permit required for all seven sites (online only, up to 160 days in advance). |
| Saguaro National Park | Arizona | No standard day-use reservation | |
| Sequoia National Park | California | No standard day-use reservation | |
| Theodore Roosevelt National Park | North Dakota | No standard day-use reservation | |
| Timpanogos Cave National Monument | Utah | No standard day-use reservation | Cave tour tickets are timed entry — the time you purchase is when you begin hiking from the visitor center trailhead (not when you enter the cave). Visitors have 1.5 hours from their ticket time to reach the cave. Tours depart throughout the day; lantern tours at 7:00/7:15 AM, regular tours from 8:15 AM. Maximum 16 people per tour. |
| White Sands National Park | New Mexico | No standard day-use reservation | |
| Yellowstone National Park | Wyoming | No standard day-use reservation | |
| Yosemite National Park | California | No standard day-use reservation |