Lone Star Lake
General data
- Name: Lone Star Lake
- Water system: Missouri River
- Water type: Artificial lake
- Progression: Washington Creek -> Wakarusa River -> Kansas River -> Missouri River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
Lone Star Lake is a 75 ha lake located in Douglas County, in the U.S. state of Kansas. The lake lies to the southwest of the unincorporated community of Lone Star, Kansas. Lone Star Lake Park surrounds the lake and offers camping, picnic shelters, and a swimming beach. The lake and park are owned and operated by Douglas County.