Big Spring Canyon Cancellations: Drop History
Our scanner has recorded 188 availability changes for Big Spring Canyon. Here's when they actually happened.
PermitCast forecast
Odds of an opening for Big Spring Canyon
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
We check this permit about every minute.
Based on 13 weeks of our scan history. Forecast last updated Oct 24, 2026.
Changes by month
Every month is a real count of scanner-detected availability changes for Big Spring Canyon, not an estimate.
| Month | Changes detected |
|---|---|
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 4 |
| August 2026 | 54 |
| September 2026 | 38 |
| October 2026so far this month | 92 |
Last scanned Oct 24, 3:39 PM PDT. Counts respect our availability-change epoch (2026-07-03): earlier scanner history isn't comparable and is excluded.
Best times to check
This grid plots every opening the scanner catches for Big Spring Canyon by day of week and time of day, so you can see when the cancellations actually land. It draws at 140 recorded openings across its 28 squares. Under that, the darkest square is chance rather than a pattern. Set an alert and every opening counts toward it.
Big Spring Canyon drop report questions
How often does Big Spring Canyon availability actually move?
Our scanner has recorded 188 availability changes for Big Spring Canyon since it started tracking, broken down by month above. A change is any shift in the open-date set, so it counts dates closing as well as dates opening.
When is the best time to check for Big Spring Canyon cancellations?
Set an alert and every opening the scanner catches for Big Spring Canyon counts toward the grid above. It draws once there are at least 140 recorded openings spread across its 28 squares, so the darkest square points at a real pattern rather than at chance.
How fast will I find out if a Big Spring Canyon date opens up?
Paid plans are scanned every minute and we tell you within seconds. Free accounts are scanned hourly. Either way, PermitSnag catches the change, so you don't have to refresh the page yourself.