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John Muir Trail. 222 miles long, from Happy Isles in Yosemite to the summit of Mt. Whitney, the highest summit in the contiguous United States with an elevation of 14,505 feet (4,421 m). The most scenic trail ever.. Follow along online. The MapShare site shows the progress of someone tracking with an inReach satellite communicator. Read messages they have sent to MapShare. You can even reply.
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