Lake Tugalo is a 597 acre reservoir with 18 mi of shoreline located in the northeastern Georgia in Habersham and Rabun counties, but also lies partially in Oconee County, South Carolina. It is the fifth lake in a six-lake series created by hydroelectric dams operated by Georgia Power that follows the original course of the Tallulah River. The series starts upstream on the Tallulah River with Lake Burton followed by Lake Seed, Lake Rabun, Lake Tallulah Falls and Lake Tugalo, ending with Lake Yonah. The western arm of Lake Tugalo is filled by the Tallulah River and the eastern arm is filled by the Chattooga River. Georgia Power considers the lake full at a surface elevation of 891.5 ft. Lake Tugalo began filling in 1923 with the completion of the Tugalo Dam, a gravity concrete and masonry dam. The dam is 155 ft high and has a span of 740 ft. The Tugalo Hydroelectric Plant has a generation capacity of 45 megawatts.

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