Lewiston Dam on the Trinity River forming the lake behind
|Location||Trinity County, California|
|Primary inflows||Trinity River|
|Primary outflows||Trinity River|
|Basin countries||United States|
|Surface area||750 acres (300 ha)|
|Water volume||14,660 acre·ft (18,080,000 m3)|
|Surface elevation||1,903 ft (580 m)|
It is used for transbasin diversion to the Sacramento River and flood control, as well as for hydroelectric generation. It is in the canyon between the Trinity Mountains and Marble Mountains of the southern Klamath Mountains System.
Lewiston reservoir is within the Trinity Unit of the Whiskeytown-Shasta-Trinity National Recreation Area, in the Shasta-Trinity National Forest. It is a popular destination for fishing, kayaking, and camping.
- "Shasta-Trinity National Recreation Area (NRA)". US Forest Service. 31 December 2008. Retrieved 2009-03-26.
- "NPDP Dams Directory: Lewiston Dam (CA10165)". National Performance of Dams Program (NPDP). Stanford University. Retrieved 2009-03-26.
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