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Shasta Lake is a reservoir in Shasta County, California, United States. It is within the Whiskeytown–Shasta–Trinity National Recreation Area, operated by the Shasta-Trinity National Forest. It is impounded by Shasta Dam, the ninth tallest dam in the United States.〔http://ussdams.org/uscold_s.html〕 Known as the keystone of the Central Valley Project, the outflow of Shasta Dam provides electricity and irrigation water. It also provides Sacramento River flood control below the dam for the Sacramento Valley. ==Geography== With a capacity of at full pool, the lake has an elevation of , and a surface area of , making it the state's largest reservoir, and its third-largest body of water after Lake Tahoe and the Salton Sea. Ten miles (16 km) north of the city of Redding, with the town of Lakehead on its northern shore, Shasta Lake is popular for boating, water skiing, camping, house boating and fishing. Formed by the damming of the Sacramento River, the lake has of mostly steep mountainous shoreline covered with tall evergreen trees and manzanita. The maximum depth is . The lake has four major arms, each created by an approaching river: The Sacramento River, the McCloud River, Squaw creek, and the Pit River. The Sacramento River's source is the Klamath Mountains. The McCloud River's source is Mt. Shasta. The Pit River flows from Alturas. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Shasta Lake」の詳細全文を読む スポンサード リンク
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