Uploaded April 2010 | Updated September 2026, 2 hours ago

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Summertime visitors to Yosemite National Park miss many of the unique events of winter and early spring. Frazil ice flows are dramatic natural events that occur in the waterfalls of Yosemite Valley during March and April. For an audio described version of this video, go to youtu.be/1o4CrWFbaI0.