Overview
Raystown Lake is the largest lake located entirely within Pennsylvania, set in the Appalachian ridges of Huntingdon County in the central part of the state. It was formed by the construction of Raystown Dam on the Raystown Branch of the Juniata River, built between 1968 and 1973 and opened for recreation in 1974. Covering roughly 8,300 acres at normal pool and surrounded by about 21,000 acres of forested public land, the reservoir is owned and operated by the U.S. Army Corps of Engineers, Baltimore District, primarily for flood risk reduction, along with recreation, low-flow augmentation, and hydroelectric power generation.
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