Lake San Antonio
General data
- Name: Lake San Antonio
- Water system: Salinas River California
- Water type: Artificial lake
- Progression: San Antonio River (California) -> Salinas River California -> Monterey Bay -> Pacific Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Lake San Antonio is a lake located primarily in southern Monterey County, California, and partially in northern San Luis Obispo County, California. The lake is formed by San Antonio Dam on the San Antonio River. The dam is 202 feet (62 m) tall and was completed in 1965 under Monterey County District Engineer Loran Bunte Jr. The lake and dam are owned by the Monterey County Water Authority. The lake has a capacity of 350,000 acre-feet (430,000,000 m3).