Jumbo Rocks is booked solid. Cancellations happen every day.
Joshua Tree's biggest and most iconic campground, with sites tucked among the giant granite boulders. Peak season runs roughly October–May, and weekend sites vanish months out.
Right now: open sites on 22 dates in July 2026. (checked just now via recreation.gov)
- Fri, Jul 10 — 68 sites open
- Sat, Jul 11 — 51 sites open
- Sun, Jul 12 — 101 sites open
- Mon, Jul 13 — 97 sites open
- Tue, Jul 14 — 97 sites open
- Wed, Jul 15 — 99 sites open
- Thu, Jul 16 — 106 sites open
- Fri, Jul 17 — 88 sites open
+ 14 more dates this month.
Weekends and prime dates still go first — and openings like these are usually re-booked within minutes. A Scout emails you the instant one appears for your dates.
Get emailed the second a site opens at Jumbo Rocks. Your Scout starts checking the moment you subscribe — the first email arrives right away with where things stand.
Free — one Scout per email. It only emails you when something actually opens, and you can reply to any of its emails to adjust dates or stop.
Want to change more — different dates logic, extra campgrounds, push instead of email? Open this Scout in the builder. Check recreation.gov yourself →
How it works
- Tell your Scout the dates you want at Jumbo Rocks.
- It checks recreation.gov every few minutes, around the clock, and stays silent while nothing changes.
- The instant a site opens, you get an email with the booking link — booking stays in your hands.
Questions
How fast are alerts?
Calafia checks every few minutes, around the clock, and emails you the moment a site opens for your dates — openings are usually re-booked within minutes, so speed is the whole product.
Does it book for me?
No — you get the booking link instantly; booking stays in your hands.
What does it cost?
Watching one thing is free. More Scouts and faster checks are on the paid plan.
More Joshua Tree National Park campgrounds
Black Rock · Indian Cove · Cottonwood · Ryan