Half Dome Availability & Cancellation Tracker
Half Dome is issued via lottery. Our scanner is actively monitoring it and has sent 23 availability alerts to watchers in the last 30 days.
PermitCast forecast
Forecast unlocks soon
We've been scanning this permit for 25 days. Forecasts unlock once we have 6 weeks of history.
How we calculate thisScans in the last 30 days
31,780
Automated availability checks
Availability changes detected
198
Since July 3, 2026
Alerts sent to watchers
23
Last 30 days
Last availability change
Jul 27, 3:19 AM PDT
A change means the set of open dates for Half Dome actually shifted between two scans: a date opened, closed, or quota moved. Counts update continuously.
Recent availability changes
| Opened | Caught within | Open for | When |
|---|---|---|---|
| 2026-07-20, 2026-07-21, 2026-07-22, 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31 | under 1 min | under 15 min | 22h ago |
| 2026-07-20, 2026-07-21, 2026-07-22, 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31 | under 1 min | under 15 min | 1d ago |
| 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-15, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31, 2026-09-01, 2026-09-02, 2026-09-03, 2026-09-04, 2026-09-05, 2026-09-06, 2026-09-07, 2026-09-08, 2026-09-09, 2026-09-10, 2026-09-11, 2026-09-12 | 1-5 min | under 15 min | 1d ago |
| 2026-07-20, 2026-07-21, 2026-07-22, 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31 | 1-5 min | under 15 min | 2d ago |
| 2026-07-24 | 1-5 min | under 15 min | 2d ago |
| 2026-07-20, 2026-07-21, 2026-07-22, 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-15, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31 | under 1 min | under 15 min | 3d ago |
| 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-15, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31, 2026-09-01, 2026-09-02, 2026-09-03, 2026-09-04, 2026-09-05, 2026-09-06, 2026-09-07, 2026-09-08, 2026-09-09, 2026-09-10, 2026-09-11, 2026-09-12, 2026-09-13, 2026-09-14, 2026-09-15, 2026-09-16, 2026-09-17, 2026-09-18, 2026-09-19, 2026-09-20, 2026-09-21, 2026-09-22, 2026-09-23, 2026-09-24, 2026-09-25, 2026-09-26, 2026-09-27, 2026-09-28, 2026-09-29, 2026-09-30, 2026-10-01, 2026-10-02, 2026-10-03, 2026-10-04, 2026-10-05, 2026-10-06, 2026-10-07, 2026-10-08, 2026-10-09, 2026-10-10, 2026-10-11, 2026-10-12, 2026-10-13 | under 1 min | under 15 min | 3d ago |
| 2026-07-20, 2026-07-21, 2026-07-22, 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-15, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31 | 1-5 min | under 15 min | 4d ago |
| 2026-07-20, 2026-07-21, 2026-07-22, 2026-07-23, 2026-07-24, 2026-07-25, 2026-07-26, 2026-07-27, 2026-07-28, 2026-07-29, 2026-07-30, 2026-07-31, 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-15, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31 | under 1 min | under 15 min | 5d ago |
| 2026-08-01, 2026-08-02, 2026-08-03, 2026-08-04, 2026-08-05, 2026-08-06, 2026-08-07, 2026-08-08, 2026-08-09, 2026-08-10, 2026-08-11, 2026-08-12, 2026-08-13, 2026-08-14, 2026-08-15, 2026-08-16, 2026-08-17, 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31, 2026-09-01, 2026-09-02, 2026-09-03, 2026-09-04, 2026-09-05, 2026-09-06, 2026-09-07, 2026-09-08, 2026-09-09, 2026-09-10, 2026-09-11, 2026-09-12, 2026-09-13, 2026-09-14, 2026-09-15, 2026-09-16, 2026-09-17, 2026-09-18, 2026-09-19, 2026-09-20, 2026-09-21, 2026-09-22, 2026-09-23, 2026-09-24, 2026-09-25, 2026-09-26, 2026-09-27, 2026-09-28, 2026-09-29, 2026-09-30, 2026-10-01, 2026-10-02, 2026-10-03, 2026-10-04, 2026-10-05, 2026-10-06, 2026-10-07, 2026-10-08, 2026-10-09, 2026-10-10, 2026-10-11, 2026-10-12, 2026-10-13 | under 1 min | under 15 min | 7d ago |
See the live feed of availability changes across all permits.
How cancellation tracking works
Sold out almost never means gone. People cancel Half Dome trips for weather, injuries, and schedule changes, and those dates go straight back to the booking system without any announcement.
PermitSnag checks Half Dome 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.
Half Dome availability questions
How do I get a Half Dome permit after it sells out?
Cancellations. Booked Half Dome 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 Half Dome permits become available?
In the recent tracking window our scanner detected 198 availability changes for Half Dome and sent 23 alerts to watchers in the last 30 days. Cancellations cluster around fee deadlines and weather changes.
How fast are Half Dome 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.
Can I still get a Half Dome permit if I lost the lottery?
Usually yes. Winners cancel or skip payment deadlines, and those dates return to the booking system. Tracking Half Dome for cancellations is the standard fallback after a lottery loss.