
The 211-mile John Muir Trail runs from Happy Isles in Yosemite Valley to the summit of Mount Whitney — the highest point in the contiguous US. A thru-hike requires coordinating at least two permit systems: a Yosemite wilderness permit for the northbound start at Happy Isles (or a southbound Inyo NF permit if starting at Whitney Portal), plus a separate Half Dome permit if your route crosses it. Cancellations on recreation.gov are the most realistic way to land a peak-season date on short notice.
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