Hetch Hetchy
Valley
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Hetch Hetchy is a valley, a reservoir, and a 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. Wikipedia
Area: 1,200 acres (490 ha)
Age: 10,000–15,000 years
Depth: 1,800 ft (550 m)
Length: 3 mi (4.8 km)
Location: Yosemite National Park, California, United States
River: Tuolumne River