Core Zone Availability & Cancellation Tracker
Core Zone is issued via lottery. Our scanner is actively monitoring it and has sent 332 openings to alert holders in the last 30 days.
PermitCast forecast
Odds of an opening for Core Zone
Your chance of an opening in the window ahead, based on how often this permit has opened before.
Next 7 days
Good chance
Next 14 days
Good chance
Next 30 days
Good chance
Based on 13 weeks of our scan history. Forecast last updated Oct 3, 2026.
Scans in the last 30 days
114,817
Automated availability checks
Availability changes detected
1,156
Since September 3, 2026
Openings sent
332
Last 30 days
Last availability change
Oct 3, 3:42 PM PDT
A change means the set of open dates for Core Zone actually shifted between two scans: a date opened, closed, or quota moved. Counts update continuously.
How long openings last
Half of the openings the scanner caught on Core Zone were gone within 2 minutes. 70% were gone within 5 minutes.
Measured across 55 openings that did not reopen, as of October 2026.
Every figure here is measured from our own scans, comparing when an opening appeared with when it was gone. We publish one only for permits with enough openings to time accurately.
Recent availability changes
| Opened | Caught within | When |
|---|---|---|
| 2026-10-15 | 1-5 min | 5h ago |
| 2026-10-15 | under 1 min | 5h ago |
| 2026-10-03 | 1-5 min | 14h ago |
| 2026-10-03 | under 1 min | 14h ago |
| 2026-10-03 | 1-5 min | 16h ago |
| 2026-10-03 | under 1 min | 17h ago |
| 2026-10-03 | under 1 min | 17h ago |
| 2026-10-03 | 1-5 min | 17h ago |
| 2026-10-03 | under 1 min | 18h ago |
| 2026-10-03 | 1-5 min | 18h ago |
See the live feed of availability changes across all permits.
How cancellation tracking works
Sold out almost never means gone. People cancel Core Zone trips for weather, injuries, and schedule changes, and those dates go straight back to the booking system without any announcement.
PermitSnag checks Core Zone availability around the clock, compares every scan against the last known state, and alerts you only when the open dates actually change. No refresh-tab-and-pray, no false alarms from unchanged listings.
Core Zone availability questions
How do I get a Core Zone permit after it sells out?
Cancellations. Booked Core Zone permits that get cancelled return to the reservation system, usually with no announcement. PermitSnag scans continuously and alerts you the moment a date you want opens up.
How often do Core Zone permits become available?
In the recent tracking window our scanner detected 1,156 availability changes for Core Zone and sent 332 openings to alert holders in the last 30 days. Cancellations cluster around fee deadlines and weather changes.
How fast are Core Zone availability alerts?
Paid plans are scanned every minute and we tell you within seconds of a detected opening, by push notification, SMS, and email. Free accounts are scanned hourly.
Can I still get a Core Zone permit if I lost the lottery?
Usually yes. Winners cancel or skip payment deadlines, and those dates return to the booking system. Tracking Core Zone for cancellations is the standard fallback after a lottery loss.