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The Tuolumne River watershed can be divided into three distinct physiographic regions. From the headwaters to below Hetch Hetchy Reservoir, the river drains the Sierra highlands, which are characterized by solid, glacier-carved granitic bedrock, thin poor soils and areas of heavy forestation.
Cherry Creek is a large, swift-flowing [5] stream in the Sierra Nevada mountain range, and is the largest tributary of the Tuolumne River.The creek is 44.6 miles (71.8 km) long measured to its farthest headwaters; [3] the main stem itself is 27.7 miles (44.6 km) long, [3] draining a watershed of 234 square miles (610 km 2) in the Stanislaus National Forest.
During the last glacial period, the Tioga Glacier [13] formed from extensive icefields in the upper Tuolumne River watershed; between 110,000 and 10,000 years ago Hetch Hetchy Valley was sculpted into its present shape by repeated advance and retreat of the ice, which also removed extensive talus deposits that may have accumulated in the valley ...
Modesto has closed its parks along Dry Creek and the Tuolumne River because of flooding and erosion and the anticipation of more rain this week. The city announced the closures Tuesday afternoon ...
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]
This dredging pit along the Tuolumne River, right, will be filled in to create a low flood plain as part of the Basso/La Grange floodplain and spawning habitat restoration project in La Grange ...
Falls Creek, also known as the Falls River, [2] is a tributary of the Tuolumne River in Yosemite National Park, California, United States.The creek begins at the northern boundary of the national park and flows 24 miles (39 km) [1] to empty into the Tuolumne at Hetch Hetchy Reservoir, dropping over two well-known waterfalls.
Tuolumne River passes through newly planted Dos Rios Ranch near Modesto, Calif., on Friday, May 7, 2021. River Partners has planted more than 350,0000 native trees and shrubs so far as part of the ...