The Santa Clara River is a 52-mile-long 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.
Country: United States
State: Utah
Region: Washington County
Cities: St. George, Santa Clara, Ivins, Pine Valley
Source: Confluence of the Right, Middle, and Left Forks Santa Clara River
Mouth: Confluence with the Virgin River
River system: Right, Middle, and Left Forks Santa Clara River