Get alerted when sold-out campgrounds open up.

Pick a campground and dates — when a cancellation or new opening matches, we'll email you after the check that detects it.

Free while we're in beta

Park or campground

Try Yosemite, Zion, Yellowstone, or Upper Pines.

Create Alert

Select one or more campgrounds from search results.

Start dateEnd date

Trip Length

Minimum consecutive nightsOnly tell me when at least this many nights in a row are open at one site. Leave blank to hear about any single open night. Not every booking system supports this — we apply it wherever we can.

Campsites

Select a campground first.

Advanced filters

Site filters: pick a campground above first.

Site typeRV/trailer lengthAccessible siteHookups

Alert delivery

Pick a campground above first.

Most alerts start on about a 10-minute schedule, with timing adjusted for demand and provider conditions. If a check detects a match, book fast on the official reservation site (we never book for you). By creating an alert, you agree to the Terms and Privacy Policy; turn alerts off anytime from your dashboard or the link in any alert email.

1. Pick your spot
2. We check around the clock on an adaptive schedule
3. If we detect a match, book on the official site

Cancellation alerts for national, state & provincial parks across the US and Canada — Recreation.gov, ReserveCalifornia, ReserveAmerica, Ontario Parks, BC Parks, Parks Canada, and more. See coverage