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Lake Chelan, Chelan, Chelan County, Washington, United States (48.07859 -120.47571)
Lake Chelan (/ʃəˈlæn/ shə-LAN) is a narrow, 50.5-mile (81.3 km) long lake in Chelan County, north-central Washington state, U.S. Before 1927, it was the largest natural lake in the state by any measure. Upon the completion of Lake Chelan Dam in 1927, the elevation of the lake was increased by 21 feet (6.4 m) to its present maximum-capacity elevation of 1,100 feet (340 m). Two communities lie on the southern end of the lake, and a third sits at the far north end, providing a gateway to the North Cascades National Park.