Uploaded December 2009 | Updated September 2026, 2 hours ago

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Explore the Tuolumne River from its glacial headwaters at 13,000 feet down through Tuolumne Meadows and into the Grand Canyon of the Tuolumne. Scientists and rangers describe the power this river has on the landscape and on the people who visit it. For an audio described version of this video, go to youtu.be/VU7U9ycnopI.