High Sierra Trail Availability & Cancellation Tracker
High Sierra Trail is issued via reservation. Our scanner is actively monitoring it and has sent 111 openings to alert holders in the last 30 days.
PermitCast forecast
Odds of an opening for High Sierra Trail
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 Sep 29, 2026.
Scans in the last 30 days
5,818
Automated availability checks
Availability changes detected
112
Since August 31, 2026
Openings sent
111
Last 30 days
Last availability change
Sep 18, 7:30 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 |
|---|---|---|
| 2026-09-26 | 5-15 min | Sep 15 |
| 2026-09-19 | 15-60 min | Sep 10 |
| 2026-09-17 | 15-60 min | Sep 4 |
| 2026-09-11 | 1-5 min | Sep 3 |
| 2026-09-12 | 15-60 min | Sep 2 |
| 2026-09-15 | 15-60 min | Sep 2 |
| 2026-09-12 | 15-60 min | Sep 2 |
| 2026-09-17 | 5-15 min | Sep 2 |
| 2026-09-08, 2026-09-22 | 15-60 min | Aug 31 |
| 2026-09-08 | 1-5 min | Aug 31 |
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 you 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 112 availability changes for High Sierra Trail and sent 111 openings to alert holders 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 we tell you within seconds of a detected opening, by push notification, SMS, and email. Free accounts are scanned hourly.