The hardest Washington campgrounds to book

Name: How fast Washington campsite cancellations get re-booked
Creator: CampSage

The best Washington campsites are “sold out” months out — but people cancel constantly. The real question isn’t whether a spot opens, it’s how long it lasts before someone else grabs it. We scan every Washington campground on Washington State Parks and recreation.gov several times a day and log the check at which each site frees up — and the check at which it is gone again. Here’s what that reveals.

At Fields Spring State Park, half the cancellations we logged were already gone by the time we looked again — within 9.0 hrs. You have hours, not days.

⏱️ Fastest-vanishing cancellations

For half the openings we logged, the site was already re-booked by our next check — this is how long that took. Lower means you have to move faster.

#	Campground	Gone within	Openings measured
1	Fields Spring State Park	9.0 hrs	25
2	Lewis and Clark State Park (SW Washington)	9.1 hrs	71
3	Birch Bay State Park	10.8 hrs	81
4	Lake Wenatchee State Park	10.9 hrs	283
5	Fort Townsend State Park	11.0 hrs	52
6	Joemma Beach	12.0 hrs	78
7	Sun Lakes State Park	13.0 hrs	88
8	Yakima Sportsman State Park	13.0 hrs	155
9	Alta Lake State Park	13.1 hrs	154
10	Twin Harbors State Park	13.3 hrs	104
11	Blake Island State Park	14.5 hrs	52
12	Lake Sylvia State Park	15.8 hrs	97

🔄 Where cancellations happen most (best odds if you watch)

These Washington parks turn over the most — set an alert and your chances are highest here.

#	Campground	Openings/week
1	Steamboat Rock State Park	24.2
2	Dosewallips State Park	23.2
3	Fort Flagler State Park	22.6
4	Pacific Beach State Park	22.5
5	Lake Wenatchee State Park	22.2
6	Deception Pass State Park	22.2
7	Grayland Beach State Park	22.0
8	Lincoln Rock State Park	21.9
9	Millersylvania State Park	21.9
10	Maryhill State Park	21.8

Methodology. CampSage scans every Washington campground on Washington State Parks and recreation.gov continuously and appends an event each time a site opens or fills. This ranking covers 65.6 days of continuous tracking since August 2, 2026 (36,328 matched open→re-booked events); it updates daily and gets more robust as the record grows. Parks shown have at least 20 measured openings, because a park with a handful ranks on noise rather than on demand. These figures are upper bounds, not stopwatch readings: we observe checks, not moments, and our checks are hours apart, so a site retaken ten minutes after it opened and one that lasted four hours can land in the same bucket. Read “gone within 4 hrs” as “already taken by the time we looked again.” The median is the middle value, so one unusually long-lived opening cannot skew it. Journalists / researchers: happy to share the underlying data or a longer window — about CampSage.

Want to catch one of these? Set a free alert on the live map → and we’ll email you the second a site opens.

Other regions. California · Ontario · British Columbia · Colorado · Oregon

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