Castaic is a small unincorporated community located in the northern part of Los Angeles County, California, United States. It is situated along the Interstate 5 freeway, approximately 40 miles northwest of downtown Los Angeles. The area is known for its picturesque landscapes, with rolling hills, canyons, and the nearby Castaic Lake, which offers recreational activities such as boating, fishing, and camping. Castaic is a popular destination for outdoor enthusiasts, with numerous hiking and biking trails, as well as opportunities for wildlife viewing. The community also boasts a number of parks and open spaces, providing residents and visitors with ample opportunities for outdoor recreation.