Estill Springs is a town in Franklin County, Tennessee, United States. The population was 2,267 at the 2020 census. But a correction issued in 2024 gave a revised 2020 census population of 2,694. It is usually referred to simply as "Estill" by its inhabitants.

Tims Ford Lake is a reservoir run by the Tennessee Valley Authority (TVA) in southern middle Tennessee. The lake encompasses 10,700 acres and approximately 250 miles of shoreline.