Santa Clara River (Utah)
General data
- Name: Santa Clara River (Utah)
- Water system: Colorado River (Gulf of California)
- Water type: River
- Progression: Virgin River -> Colorado River (Gulf of California) -> Gulf of California -> Pacific Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Santa Clara River is a 52-mile-long (84 km) river whose three forks join above Pine Valley in the Pine Valley Mountains in Washington County, Utah, United States. It flows west, then south, then briefly southeast before joining the Virgin River just south of downtown St. George. It is southern Utah's largest tributary to the Virgin River.