High Sierra Trail Availability & Cancellation Tracker
High Sierra Trail is issued via reservation. Our scanner is actively monitoring it and has sent 42 availability alerts to watchers in the last 30 days.
PermitCast forecast
Forecast unlocks soon
We've been scanning this permit for 36 days. Forecasts unlock once we have 6 weeks of history.
How we calculate thisScans in the last 30 days
930
Automated availability checks
Availability changes detected
58
Since July 20, 2026
Alerts sent to watchers
42
Last 30 days
Last availability change
Aug 18, 4:22 AM PDT
A change means the set of open dates for High Sierra Trail actually shifted between two scans: a date opened, closed, or quota moved. Counts update continuously.
Recent availability changes
| Opened | Caught within | When |
|---|---|---|
| 2026-08-31 | 1 hr+ | 1d ago |
| 2026-09-22 | 1 hr+ | 1d ago |
| 2026-08-30 | 1 hr+ | 1d ago |
| 2026-08-29 | 1 hr+ | 1d ago |
| 2026-09-15 | 1 hr+ | 1d ago |
| 2026-09-07 | 1 hr+ | 2d ago |
| 2026-09-04 | 1 hr+ | 3d ago |
| 2026-08-25 | 1 hr+ | 3d ago |
| 2026-09-05 | 1 hr+ | 3d ago |
| 2026-09-21 | 1 hr+ | 4d ago |
See the live feed of availability changes across all permits.
How cancellation tracking works
Sold out almost never means gone. People cancel High Sierra Trail trips for weather, injuries, and schedule changes, and those dates go straight back to the booking system without any announcement.
PermitSnag checks High Sierra Trail availability around the clock, compares every scan against the last known state, and alerts watchers only when the open dates actually change. No refresh-tab-and-pray, no false alarms from unchanged listings.
High Sierra Trail availability questions
How do I get a High Sierra Trail permit after it sells out?
Cancellations. Booked High Sierra Trail 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 High Sierra Trail permits become available?
In the recent tracking window our scanner detected 58 availability changes for High Sierra Trail and sent 42 alerts to watchers in the last 30 days. Cancellations cluster around fee deadlines and weather changes.
How fast are High Sierra Trail availability alerts?
Paid plans are scanned about every minute and alerts go out within seconds of a detected opening, by push notification, SMS, and email. Free accounts are scanned hourly.