Lower Lake, California Lower Lake, California Lower Lake (formerly Grantville) is a census-designated place (CDP) in the southern Clear Lake region of Lake County, in northern California. Lower Lake is also an Indian rancheria of the Koi Nation people. Lower Lake is located 4.5 miles (7.2 km) southwest of the City of Clearlake, and southeast of Kelseyville. It is at an elevation of 1371 feet (418 m). Lower Lake was at one point the county seat, the Lake County elections of 1867 were hotly contested with the seat moving between what is now the city of Lakeport and the town of Lower Lake,
Lower Lake, California down from 1,755 at the 2000 census. The Clayton Fire started on August 12, 2016 in areas of Lake County not burned in the Valley and Rocky Point Jerusalem Fires which ravaged Lake County in the summer of 2015. On Sunday afternoon, August 14, all residents of the town were evacuated and fire razed large parts of the downtown and other areas of Lower Lake. The historic Lower Lake Stone Jail was built in 1876 in Lower Lake, from locally quarried stone. It is claimed to be the smallest jail in the United States. The 2010 United States Census reported