Calion Lake
General data
- Name: Calion Lake
- Water system: Atchafalaya River
- Water type: Artificial lake
- Progression: Tom Creek -> Ouachita River -> Black River (Red River tributary) -> Red River of the South -> Atchafalaya River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
Calion Lake is a reservoir in Union County, Arkansas. The lake covers roughly 227 hectares according to a fisheries management plan. The lake was constructed by the Works Progress Administration (WPA) in 1934, originally as a public fishing lake for Union County.