Summit Lake's
Daily Encourager

Summit Lake is an unincorporated community and census-designated place (CDP) in Langlade County, Wisconsin, United States. Summit Lake is located along U.S. Route 45, 17 miles (27 km) north of Antigo, in the towns of Upham and Elcho. Summit Lake has a post office with ZIP code 54485. As of the 2020 census its population was 141, a slight decrease of 144 at the 2010 census.