Half Dome, Yosemite National Park, California


ID 2183

Tenaya Canyon is composed of Late Cretaceous - Half Dome Granodiorite. During the Quaternary, a large icefield developed in the area of Tuolumne Meadows near the crest of the Sierra Nevada. A glacier from this icefield spilled over a low pass to flow down Tenaya Canyon (foreground) prior to joining the main Merced Glacier in Yosemite Valley (right background). The upper 700 feet of Half Dome (right background) stood as a nunatek above the Tenaya Glacier.

View southwest from Olmsted Point. This vista point was named to honor Frederick Law Olmsted, Chairman of the first Board of Commissioners to manage the Yosemite Grant, established in 1864 as the world's first natural public park.


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