Grand Canyon of the Tuolumne

The Grand Canyon of the Tuolumne is the notable canyon section of the river valley of the Tuolumne River, located within Yosemite National Park, in Tuolumne County and the Sierra Nevada, California. As defined by the United States Geological Survey, the canyon begins at Glen Aulin and ends directly above Hetch Hetchy Valley.

Source: Wikipedia — Grand Canyon of the Tuolumne (CC BY-SA 4.0)