Santa Clarita is a California city north of Los Angeles. It's known for the Six Flags Magic Mountain theme park, with many roller coasters. The adjacent Six Flags Hurricane Harbor is a summertime water park with tall slides and a wave pool. The prehistoric stone formations of Vasquez Rocks Natural Area Park have served as a backdrop for many films. William S. Hart Park has a museum dedicated to the silent-film star.

ZIP Codes: 91321–91322, 91350–91351, 91354–91355, 91380, 91385–91387, 91390
Age: 37 years
Population: 229,159 (2024)
Area Code: 661
Elevation: 1,207 ft (368 m)
Incorporated: December 15, 1987
Named After: Santa Clara River