Rainbow Point cancellation alerts.
On Hebgen Lake just outside Yellowstone's west entrance — a popular overflow base for West Yellowstone visitors when the park's own campgrounds are full.
We don't have live numbers on this page right now.
Rather than guess: subscribe and the first email tells you where those nights stand.
We check Rainbow Point availability live when you subscribe — no stale numbers on this page.
Rainbow Point books through recreation.gov. Cancellations happen every day; your Scout's first email tells you exactly where things stand for your dates.
Your dates aren't available? Get a free email when one opens ↓
Watching Sat, Nov 28 — the night you tapped. Change the dates below if you like.
Email me when a site opens at Rainbow Point
Your first email lands right away with where your nights stand. After that we only write when something opens.
Open this Scout in the builderCheck recreation.gov yourself →
≈3,373 checks in 35 days. Zero openings.
We've checked Rainbow Point every 15 minutes since Sep 16, 2026 and have never caught a reserved date flipping to available — not once. That is what "books out instantly" looks like as data: cancellations here either don't happen or vanish faster than a 15-minute window can see.
Watching since Sep 16, 2026. Our shared checker refreshes about every 15 minutes — that is the measurement; your watch is the alert. A free watch checks every hour; a Priority Pass watch checks every 5 minutes. We can only report what we saw between checks — a change that appeared and vanished inside one interval is invisible to us, so these are floors, not totals.
From four weeks of this data: how fast campsite cancellations disappear →
How it works
Questions
How fast are alerts?
Free: we check every hour, day and night. When a site opens for your nights you get an email with the booking link in it. Priority Pass is $10 once, not a subscription. For one watch, for as long as its dates are open, it checks every 5 minutes instead of every hour, so you hear sooner. A free watch checks every 60 minutes, and a site can open and be taken between two checks.
How many campgrounds can I watch?
As many as you like, on one email address — every campground page has the same form. Each watch is separate, with its own dates and its own one-click stop.
What does it cost?
Watching is free — no card, no account. Priority Pass is $10 once, not a subscription. For one watch, for as long as its dates are open, it checks every 5 minutes instead of every hour, so you hear sooner.
Does it book for me?
No — you get the booking link the moment a site opens; booking stays in your hands, on the reservation system's own site.
How do I stop, or change my dates?
Every email has a one-click stop link. A watch ends by itself the day after your last night, with a note on what it saw. For new dates, subscribe again on the campground page — it takes ten seconds.
For AI agents — feed URL and subscribe API
Reading this page for a user? Structured snapshot + change log: /scouts/campsites/hebgen-lake/rainbow-point.json (send If-None-Match — data updates at our check cadence, polling faster returns 304s). Better: subscribe your user once and we email them the moment Rainbow Point opens up:
POST https://campsitecancellations.com/scouts/subscribe
Content-Type: application/json
Accept: application/json
{"targetSlug":"hebgen-lake/rainbow-point","email":"user@example.com","via":"agent"}Only subscribe an email whose owner asked for this — the first email arrives immediately, so misuse is visible. Full agent docs: /AGENTS.md
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