Yosemite exhibits an exceptional glaciated landscape, including the spectacular Yosemite Valley, a 914-meter (1/2 mile) deep, glacier-carved cleft with massive sheer granite walls. These geologic features provide a scenic backdrop for mountain meadows and giant sequoia groves, resulting in a diverse landscape of exceptional natural and scenic …
https://home.nps.gov/articles/yosemite-national-park-california.htm

