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In 1923, the O'Shaughnessy Dam was completed on the Tuolumne River, flooding the entire valley under the Hetch Hetchy Reservoir. [2] The dam and reservoir are the centerpiece of the Hetch Hetchy Project, which in 1934 began to deliver water 167 miles (269 km) west to San Francisco and its client municipalities in the greater San Francisco Bay Area.
Pillsbury's photo of The San Francisco Call building burning on April 18, following the 1906 San Francisco earthquake. Arthur Clarence Pillsbury (1870–1946) was a United States photographer, inventor, and filmmaker, known through his innovations which extended human vision at a critical time in our history.
The Hetch Hetchy to Lake Vernon Trail in Yosemite starts from the parking lot close to the O'Shaughnessy Dam at the Hetch Hetchy Reservoir, and goes to Lake Vernon through the Yosemite Wilderness. Staying overnight requires a wilderness permit which can be obtained at the Hetch Hetchy ranger station or reserved online.
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.
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 ...
Download as PDF; Printable version; Appearance. move to sidebar hide. ... Pages in category "Hetch Hetchy Project" The following 22 pages are in this category, out of ...
John Muir proposed that Yosemite Valley and Hetch Hetchy Valley were formed purely by glacial action. In 1930, François E. Matthes proposed a hybrid hypothesis, where most of the depth of the valley was gouged by water erosion, the rest by glacial action. The glacial action also claimed to have widened the valley.
[14] [17] At the time, Hetch Hetchy was an isolated, seldom visited subalpine valley, visited intermittently by gold seekers and sheepherders. However, since 1890, Hetch Hetchy Valley and the surrounding lands had been part of Yosemite National Park and thus off-limits to utility development, let alone at the grand scale proposed by the city. [18]