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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 of Yosemite National Park and is drained by the Tuolumne River. For thousands of years before the arrival of settlers from the United States in the 1850s, the valley was inhabited by Native ...
Yosemite Valley ( / joʊˈsɛməti / yoh-SEM-ə-tee; Yosemite, Miwok for "killer") is a glacial valley in Yosemite National Park in the western Sierra Nevada mountains of Central California, United States. The valley is about 7.5 mi (12.1 km) long and 3,000–3,500 ft (910–1,070 m) deep, surrounded by high granite summits such as Half Dome ...
The Merced River watershed encompasses 1,726 square miles (4,470 km 2) in the central Sierra Nevada. To the north it is bordered by the watershed of the Tuolumne River, the other major river draining Yosemite National Park. On the south, the Merced watershed borders on the headwaters of the San Joaquin River.
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]
Yosemite National Park ( / joʊˈsɛmɪti / yoh-SEM-ih-tee[ 5]) is a national park in California. [ 6][ 7] It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers 759,620 acres (1,187 sq mi; 3,074 km 2) [ 3] in four counties ...
The John Muir Trail ( JMT) is a long-distance trail in the Sierra Nevada mountain range of California, passing through Yosemite, Kings Canyon and Sequoia National Parks. It is named after John Muir, a naturalist. From the northern terminus at Happy Isles in Yosemite Valley ( 37.7317°N 119.5587°W) and the southern terminus located on the ...
State Route 140. SR 140 is broken into pieces, and the length does not reflect the overlaps that would be required to make the route continuous. State Route 140 ( SR 140) is a state highway in the U.S. state of California, 102 miles (164 km) in length. It begins in the San Joaquin Valley at Interstate 5 near Gustine, and runs east into Sierra ...
San Francisco Mayor James D. Phelan hired USGS engineer Joseph P. Lippincott in 1900 to perform a discreet survey of Hetch Hetchy Valley, located north of Yosemite Valley in the national park. [72] His report stated that a dam of the Tuolumne River in the Hetch Hetchy Valley was the best choice to create a drinking water reservoir for the city.