Castaic Creek is a stream located in Los Angeles County, California. It flows through the Castaic Lake State Recreation Area and eventually joins the Santa Clara River. The creek is an important water source for the surrounding ecosystem and supports various wildlife. The creek is also popular for recreational activities such as fishing and hiking. Its scenic surroundings attract visitors looking to enjoy nature. Additionally, Castaic Creek plays a role in local water management and conservation efforts, helping to maintain the area's natural resources.