Castaic Junction is an unincorporated community located in Los Angeles County, California. It is located at the crossroads of Interstate 5 and State Route 126 near the confluence of Castaic Creek and the Santa Clara River.
Castaic Junction, California
|Elevation||310 m (1,017 ft)|
|Time zone||UTC-8 (Pacific (PST))|
|• Summer (DST)||UTC-7 (PDT)|
|GNIS feature ID||270336|
Places in Castaic Junction carry a Valencia zip code, and it is adjacent to the City of Santa Clarita.
Six Flags Magic Mountain theme park is just south of the intersection
Just beyond the north end of the Magic Mountain parking lot is the site of the adobe ranch house for the historic Rancho San Francisco, a Mexican land grant that encompassed the Santa Clarita Valley from Piru to Canyon Country.