Hetch Hetchy is a valley, reservoir, and water system in California in the United States. The glacial Hetch Hetchy Valley lies in the northwestern part...

Hetch Hetchy Railroad no. 6 is a standard gauge three truck Shay locomotive built for the Hetch Hetchy Railroad by Lima Locomotive Works in 1921. Although...

that permitted building of the O'Shaughnessy Dam and flooding of Hetch Hetchy Valley in Yosemite National Park, California. It is named for John E. Raker...

support the construction and expansion of the O'Shaughnessy Dam across Hetch Hetchy Valley. Based in Groveland, the HHRR operated from 1917 to 1949. It primarily...

at Don Pedro and Hetch Hetchy to provide water for Central Valley farmers and the city of San Francisco, respectively. The Hetch Hetchy project, located...

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)...

Hetch Hetchy Dome is a granite dome, in the Hetch Hetchy area of Yosemite National Park. Aside from being aside Hetch Hetchy Reservoir, Hetch Hetchy Dome...

Preservationists led by Muir and the Sierra Club failed to save Hetch Hetchy Valley from becoming a reservoir when the Raker Act was approved on December...

Restore Hetch Hetchy is a US non-profit organization seeking to restore the Hetch Hetchy Valley in Yosemite National Park to its original condition. The...

Survey, the canyon begins at Glen Aulin and ends directly above Hetch Hetchy Valley. The Grand Canyon of the Tuolumne starts at Glen Aulin, immediately...

passionately opposed the damming of Hetch Hetchy Valley because he found Hetch Hetchy as stunning as Yosemite Valley.: 249–62  Muir, the Sierra Club and...

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...

easily reached via trail heads in the vicinity of the Hetch Hetchy Valley and Lake Eleanor. The valley provides access to many remote alpine lakes throughout...

the future, and the efforts of the Restore Hetch Hetchy group to drain the reservoir in the Hetch Hetchy Valley depend largely on that possibility. The San...

previously V-shaped river-cut valleys into U-shaped glacial-cut canyons (such as Yosemite Valley and Hetch Hetchy Valley). Exfoliation (caused by the tendency...

Rock is a prominent granite dome located along the southern edge of Hetch Hetchy Valley in Yosemite National Park. John Muir stated that Kolana was the Indian...

national park and flows 24 miles (39 km) to empty into the Tuolumne at Hetch Hetchy Reservoir, dropping over two well-known waterfalls. The Pacific Crest...

in the Hetch Hetchy Valley of Yosemite National Park for the purpose of public water supply. Due to the large elevation drop between Hetch Hetchy and the...

the first decade of the 1900s, the Sierra Club became embroiled in the Hetch Hetchy Reservoir battle that divided preservationists from "resource management"...

main Sierra and the Carson Range, a spur of the Sierra. Hetch Hetchy Valley, Yosemite Valley, Kings Canyon, and Kern Canyon are examples of many glacially-scoured...

Yosemite Valley is a graben: a downdropped block of land surrounded by faults. John Muir proposed that Yosemite Valley and Hetch Hetchy Valley were formed...

Francisco Water Department to commemorate the 1934 completion of the Hetch Hetchy Aqueduct and is located at the aqueduct's terminus; originally water...

River Hetch Hetchy Valley Kings Canyon Long Valley Caldera Owens Valley San Joaquin Valley Sacramento Valley Tuolumne Meadows Yosemite Valley List of...

rights to both water and power in the Hetch Hetchy Valley in 1913. After their victory they delivered Hetch Hetchy hydropower and water to San Francisco...

in the United States, overlooks the Hetch Hetchy Reservoir and provides grand vistas of the Hetch Hetchy Valley and surrounding wilderness. It is named...

common carrier called the Hetch Hetchy and Yosemite Valley Railroad. Although it never reached either Hetch Hetchy or Yosemite valley, the company hoped to...

The Hetch Hetchy Aqueduct carries water from the Tuolumne River to San Francisco and other Bay Area regions. The system starts in Hetch Hetchy Valley, inside...

Bruno. San Francisco was also granted a perpetual leasehold over the Hetch Hetchy Valley and watershed in Yosemite National Park by the Raker Act in 1913...

calibre water transport pipes between the O'Shaughnessy Dam in the Hetch Hetchy Valley to the Crystal Springs Reservoir on the San Francisco Peninsula,...

side of Hetch Hetchy Valley in Yosemite National Park. At roughly 880 feet it is the smaller of two large waterfalls that spill into Hetch Hetchy Reservoir...