Camping reservation date calculator
Find your release day, convert the time, and save a calendar reminder.
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Guides
Make sense of the reservation calendar
Find reservation rules, locations with alerts, and nearby alternatives for your trip.
Plan the booking, then watch for openings
When to find campsite cancellations
Compare official provider rules and make a plan after your dates sell out.
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Compare campsite cancellation checkers
Choose a notifier by campground coverage, trip matching, channels, and price.
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Answers for the trip you are trying to book
Can you book a Wisconsin state park for one night?
Wisconsin's one-night camping exception depends on when you book. Check the May 15 rule, holiday minimums, and how to find a single-night reservation.
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Can I book a campsite for tonight in Oregon?
Oregon state park same-day booking closes at 11:59 p.m. for tent/RV sites and 5:59 p.m. for yurts and cabins. See exceptions and where to book tonight.
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Why are campsites available each night, but not for the whole stay?
Different sites can be open on different nights without one site covering your trip. See a worked split-stay example and Missouri's reservation-center process.
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Which Pinery and Silent Lake yurts allow dogs?
Check Pinery yurt RA15 and Silent Lake yurts 7 and 103 for dog-friendly stays. Find official booking links, unit differences, and cancellation-alert limits.
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Booking from Britain? Check ReserveCalifornia's opening time in the UK, including the clock-change weeks.
Source-reviewed collection
Hard-to-book campgrounds and wilderness permits
20 guides to sought-after campsites and wilderness trips. Browse photos, seasonal advice, reviews, and links to set up a search.
In-depth park guides
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Arizona · Recreation.gov
Fossil Creek Wild and Scenic River
Plan a Fossil Creek day visit: parking permits, seasonal requirements, fees and access from Camp Verde. Watch eight parking lots for permit openings.
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California · Recreation.gov
Yosemite National Park
Find Yosemite campsite cancellations and reservation release dates. Practical alerts and booking guidance for Upper Pines, Lower Pines, North Pines, and nearby choices.
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Utah · Recreation.gov
Zion National Park
Zion's in-park campgrounds sell out months ahead. How Watchman reservations work, when cancellations reappear, and how to catch one with a free availability alert.
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California · Recreation.gov
Joshua Tree National Park
Jumbo Rocks is very popular and books quickly. Learn how Joshua Tree reservations work, when cancellations reappear, and how to watch for an opening.
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California · ReserveCalifornia
Pfeiffer Big Sur State Park
Big Sur's only big riverside campground sells out months ahead. How ReserveCalifornia's 8 am releases work, when cancelled sites return, and how to catch one free.
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Ontario · Ontario Parks
Algonquin Provincial Park
Plan an Algonquin camping trip with Ontario Parks' five-month booking rule, cancellation restrictions, supported campground alerts, and official reservation links.
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Alberta · Parks Canada
Banff National Park
How Banff's seasonal reservation launch works, why Two Jack Lakeside is so competitive, and how to watch for a cancellation after launch day.
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Reservation guides by park
Showing park guides 1–22 of 173, in alphabetical order. Each guide links to the official reservation service, locations OpenCampsite can watch, and nearby alternatives. Choose a park to check its booking rules before planning your stay.
Alabama River LakesAlabama · 13 campgrounds
Gee's Bend on the Alabama River, Alabama (astronaut photograph) · Photo: Astronaut photograph ISS069-E-25553 was acquired on June 26, 2023, with a Nikon D5 digital camera using a focal length o, public domain, via Wikimedia Commons 
Allatoona LakeGeorgia · 8 campgrounds
Photo: Adrien Lamarre, U.S. Army Corps of Engineers, public domain, via Wikimedia Commons 
Allegheny National ForestPennsylvania · 10 campgrounds
Photo: IvoShandor, CC BY 2.5, via Wikimedia Commons (cropped and resized) 
Angeles National ForestCalifornia · 17 campgrounds
Photo: Geographer at en.wikipedia, CC BY 1.0, via Wikimedia Commons (cropped and resized) 
Apache-Sitgreaves National ForestArizona · 21 campgrounds
Photo: Zereshk, CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Arapaho & Roosevelt National ForestsColorado · 36 campgrounds
Arapaho National Forest, Colorado · Photo: U.S. Department of Agriculture, CC BY 2.0, via Wikimedia Commons (cropped and resized) - Arches National Park Canyoneering Permits
Recreation.gov · 11 permit locations
Delicate Arch, Arches National Park · Photo: Palacemusic, CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Arkabutla LakeMississippi · 9 campgrounds
Arkabutla Lake, Mississippi · Photo: Fredlyfish4, CC BY-SA 4.0, via Wikimedia Commons (cropped and resized) 
Ashley National ForestWyoming · 45 campgrounds
Alpine basin near Milk Lake, Ashley National Forest, Utah · Photo: Intermountain Forest Service, USDA Region 4 Photography, public domain, via Wikimedia Commons 
Barkley LakeKentucky · 9 campgrounds
Lake Barkley, Kentucky, from the state park lodge · Photo: Vwwally, CC BY-SA 4.0, via Wikimedia Commons (cropped and resized) 
Barren River LakeKentucky · 8 campgrounds
Photo: Ichabod, CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Beaver LakeArkansas · 11 campgrounds
Beaver Lake from Prairie Creek, Arkansas · Photo: Traveler7, CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Beaverhead-Deerlodge National ForestMontana · 43 campgrounds
Photo: U.S. Department of Agriculture Preston Keres/Office of Communications-Photography Services Center, public domain, via Wikimedia Commons 
Big Cypress National PreserveFlorida · 8 campgrounds
Photo: NPS Photo (public domain), via nps.gov 
Bighorn National ForestWyoming · 29 campgrounds
Photo: Fabien Fivaz, CC BY 2.0, via Wikimedia Commons (cropped and resized) 
Bitterroot National ForestMontana · 15 campgrounds
East Fork Bitterroot River, Montana · Photo: Mike Cline, CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Black Hills National ForestSouth Dakota · 20 campgrounds
Photo: Vocaro at English Wikipedia, CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Black Warrior and Tombigbee LakesAlabama · 13 campgrounds
Black Warrior River at Moundville, Alabama · Photo: Altairisfar (Jeffrey Reed), CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Blue Ridge ParkwayNorth Carolina · 11 campgrounds
Photo: NPS Photo (public domain), via nps.gov 
Boise National ForestIdaho · 49 campgrounds
River in Boise National Forest, Idaho · Photo: U.S. Forest Service, public domain, via Wikimedia Commons 
Boundary Waters Canoe Area WildernessRecreation.gov · 103 permit locations
Photo: R27182818 at English Wikipedia ( Original text: Reid Priedhorsky ( R27182818 ) ), CC BY-SA 3.0, via Wikimedia Commons (cropped and resized) 
Bridger-Teton National ForestWyoming · 31 campgrounds
Photo: Intermountain Region US Forest Service, public domain, via Wikimedia Commons
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Know your reservation service
Booking windows and cancellation rules vary by provider. These guides link to official policies and the locations we can watch.
- Newfoundland and Labrador Parks campsite cancellation alerts
- NPCA campsite cancellation alerts
- Northwest Territories Parks campsite cancellation alerts
- Tacoma Power Parks campsite cancellation alerts
- Yukon Parks campsite cancellation alerts
- Nova Scotia Parks campsite cancellation alerts
- Wisconsin State Parks campsite cancellation alerts
- Ontario Parks campsite cancellation alerts
- Recreation.gov campsite cancellation alerts
- ReserveCalifornia campsite cancellation alerts
- BC Parks campsite cancellation alerts
Your park isn't here yet?
Search for locations across the US and Canada, or check the current coverage. You can create an alert wherever alerts are available.