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The Hetch Hetchy Valley began as a V-shaped river canyon cut out by the ancestral Tuolumne River. About one million years ago, the extensive Sherwin glaciation widened, deepened and straightened river valleys along the western slope of the Sierra Nevada, including Hetch Hetchy, Yosemite Valley, and Kings Canyon farther to the south. [12]
Hetch_Hetchy_Valley_From_Road,_Albert_Bierstadt.jpg (748 × 475 pixels, file size: 534 KB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Less crowded than Yosemite Valley, whose roads have been choked with visitors, Hetch Hetchy Valley is a half-forgotten realm filled with granite walls, tall falls and wildflowers.
O'Shaughnessy Dam is a 430-foot-high (131 m) concrete arch-gravity dam in Tuolumne County, California, United States.It impounds the Tuolumne River, forming the Hetch Hetchy Reservoir at the lower end of Hetch Hetchy Valley in Yosemite National Park, about 160 miles (260 km) east of San Francisco. [6]
Smith Peak, in Yosemite National Park in the United States, overlooks the Hetch Hetchy Reservoir and provides grand vistas of the Hetch Hetchy Valley and surrounding wilderness. It is named for a sheep owner who claimed to own the Hetch Hetchy Valley and used it as a summer pasture.
Groveland was originally a gold rush town and then became a sleepy farming community until the San Francisco Hetch Hetchy water project made it their headquarters and built a railroad yard and hospital for the work crews (both now gone). From 1915 till 1935, Groveland was a boom town supporting seven hotels, 10,000 residents and much activity.
Falls Creek, also known as the Falls River, [2] is a tributary of the Tuolumne River in Yosemite National Park, California, United States.The creek begins at the northern boundary of the national park and flows 24 miles (39 km) [1] to empty into the Tuolumne at Hetch Hetchy Reservoir, dropping over two well-known waterfalls.
Wapama Falls is the larger of two waterfalls located on Falls Creek on the northern wall of Hetch Hetchy Valley below Hetch Hetchy Dome, in Yosemite National Park. The other waterfall, Tueeulala Falls, is on a separate seasonal distributary of Falls Creek. Wapama Falls flows year-round and during peak flow has been known to inundate the trail ...