by AlmostThere » Tue Oct 27, 2009 9:55 pm
Further:
There are specific trails that receive such a high volume of hikers that there are strict rules about backpacking and camping.
The Pohono trail, for example - you cannot camp in the stretch of trail between Bridalveil creek and Glacier Point.
On the Panorama trail, you can only camp by hiking off trail up the Ilillouette drainage along the creek - you cannot camp between Glacier Point and Little Yosemite Valley otherwise.
On the Happy Isles/Mist Trail/JMT, there is no camping until you reach Little Yosemite Valley, and in that location you may ONLY camp within the designated campground. Two miles up the trail (any trail) from Little Yosemite Valley you are once again in unrestricted camping territory, though they do want you to use existing fire rings if you build a campfire.
In Lyell Canyon, you must be four miles up the canyon to camp - no camping from Tuolumne Meadows to four miles out. There is an avalanche chute that approximately marks four miles, beyond that you can practice dispersed camping.
Many other trails, the no camping zone is anywhere within two miles from the road/trailhead. The exceptions are established campgrounds.
It's always best to review the official park website or talk to rangers about the specifics of the trail you want to take.