Lake Timberline
General data
- Name: Lake Timberline
- Water system: Mississippi River
- Water type: Artificial lake
- Progression: Big River (Meramec tributary) -> Meramec River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Lake Timberline is a community in St. Francois County, Missouri, built around several small reservoirs created by dams on local streams in the Big River watershed. These lakes are situated in the valleys of Bee Run and Primrose Creek, which naturally flow southwest toward the Big River.