Tent & Tree
Release dates / National parks
When do national park campground reservations open?
Most national park campgrounds sell on Recreation.gov six months ahead, a new arrival night every morning at 7am Pacific (10am Eastern). Some don't. Each page lists a park's campgrounds with the window read from each one's own calendar, what's on sale today and the next release.
Glacier
8 campgrounds on Recreation.gov · Mountain time
Yellowstone
5 campgrounds on Recreation.gov · Mountain time
Zion
3 campgrounds on Recreation.gov · Mountain time
Grand Teton
8 campgrounds on Recreation.gov · Mountain time
Rocky Mountain
5 campgrounds on Recreation.gov · Mountain time
Olympic
6 campgrounds on Recreation.gov · Pacific time
Acadia
4 campgrounds on Recreation.gov · Eastern time
Sequoia & Kings Canyon
12 campgrounds on Recreation.gov · Pacific time
Point Reyes
1 campground on Recreation.gov · Pacific time
Yosemite
13 campgrounds · the Park Service's own release calendar
Another campground? The release-date calculator reads any of nearly 5,000 on Recreation.gov. Booked out? Set an alert and we email you when a site opens up on your dates.
Campground lists from Recreation.gov's search, read October 12, 2026.