Gumlog is an unincorporated lakeside community and census-designated place in Franklin County, Georgia, United States. As of the 2020 census, Gumlog had a population of 2,358.
Geography
Gumlog is located in the northeast corner of Franklin County at primary coordinate point (34.504556, -83.104556). It consists of extensive residential neighborhoods along the shores of Lake Hartwell on the Savannah River. The northeast border of the CDP is the centerline of the main stem of the lake, which also forms the state line with South Carolina. To the northwest, the CDP is bordered by Stephens County, and to the southeast it is bordered by Hart County. The southern edge of the CDP follows Interstate 85, and the southwest corner of the CDP borders the city of Lavonia. Access from I-85 is from Exit 173 (Georgia Highway 17) in Lavonia.
According to the United States Census Bureau, the Gumlog CDP has a total area of , of which is land and , or 16.32%, is water. Tugaloo State Park occupies a peninsula on Lake Hartwell in the eastern part of the CDP.
Georgia Highway 328, known locally as Gumlog Road, is nearly the only way in and out of the community of Gumlog. It is long and crosses over the Gumlog Cove branch of Lake Hartwell. Gumlog Road runs from Highway 59 in Lavonia to a junction with Highway 17 in Avalon. Gumlog Creek also starts near the same junction in Avalon. Avalon was going to be named "Gumlog" after Gumlog Creek, but when the charter came back from the State Legislature, the name had been changed instead to Avalon.