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  2. Hetch Hetchy - Wikipedia

    en.wikipedia.org/wiki/Hetch_Hetchy

    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]

  3. National Register of Historic Places listings in Yosemite ...

    en.wikipedia.org/wiki/National_Register_of...

    Tioga Pass Entrance Station. December 14, 1978 ... Hetch Hetchy Railroad Engine No.6: Hetch Hetchy Railroad Engine No.6. January 30, 1978 : CA 140: El Portal ...

  4. One of the best hikes in Yosemite is in this hidden valley of ...

    www.aol.com/news/heres-best-dammed-hike-youll...

    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.

  5. Hetch Hetchy to Lake Vernon Trail - Wikipedia

    en.wikipedia.org/wiki/Hetch_Hetchy_to_Lake...

    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.

  6. Don Pedro Reservoir - Wikipedia

    en.wikipedia.org/wiki/Don_Pedro_Reservoir

    The San Francisco Public Utilities Commission (SFPUC), of which Hetch Hetchy Water and Power is a division, provided about 45% of the funds for construction of the 1971 New Don Pedro Dam and so has the right to store 570,000 acre-feet (700,000,000 m 3) of water in the reservoir.

  7. Smith Peak - Wikipedia

    en.wikipedia.org/wiki/Smith_Peak

    Trail hike [3] 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.

  8. O'Shaughnessy Dam (California) - Wikipedia

    en.wikipedia.org/wiki/O'Shaughnessy_Dam_(California)

    [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]

  9. Moccasin Dam - Wikipedia

    en.wikipedia.org/wiki/Moccasin_Dam

    Due to the large elevation drop between Hetch Hetchy and the city, several hydroelectric power stations were constructed along the 167-mile (269 km) long Hetch Hetchy aqueduct. [3] Construction of the Moccasin Powerhouse began in 1921 and was completed on August 14, 1925. [4] The Powerhouse was designed by San Francisco Architect Henry A. Minton.