I am just wondering what the process of getting these green walkup permit options entails. Do they become availible like the blue option a few weeks beforehand?
https://www.nps.gov/yose/planyourvisit/wpres.htm
There is a graphic on this webpage that explains how to get the walk up permits.
Any unreserved permits will be available to pick up the day of in person at the wilderness center. The only true permits you can obtain not online. I will add that unless someone marks a permit for late pickup, they are released at 10am the day of the permit as a “no show.” That is a rare way to get a permit in person, and if you already have a permit rangers will not let you switch trailheads to claim “no show” permits. It’s fairly common for less popular trailheads to still have permits available the day of for true walk ups, unless it’s a holiday weekend.
Do hikers in earlier times zones (MTN);get a 1 hr jump on 7A PST permit opening?
Nope, it’s 7am PST, so make sure you’re on at the appropriate time for your time zone
With the exception of Yosemite Wilderness Area permits, which I believe still offer walkup permits the morning of your hike at the Wilderness Center in Yosemite.
Only the left overs after the other "walk up permits" are released 7 days before .at 3 days before the left overs are on hold and available the day of . but you would only get a jmt eligible permit that time if there was cancellations in the few days before as they get snatched up at the 7 day mark
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22d
This is not true, it changed about 5 years ago.
Nowadays, walk-up permits are released daily, 2 weeks in advance precisely at 7AM.
Except for Sequoia/Kings Canyon, Everything is online now, the chances of getting an actual in-person walk up permit are very low, but you have the best shot 7 days prior right when the 40% of remaining permits are released at 7am PST. In-person is still possible but I would never count on those anymore. For other permit regions in the Sierras (like Inyo), the online walk-ups are released 14 days prior. Sequoia/Kings Canyon I believe are the only permits that still do actual walk-ups, starting at 1pm the day prior to starting.