Complex sentence: Castaic, California, is an unincorporated community and census-designated place in Los Angeles County, California, north of Santa Clarita and a few miles from Six Flags Magic Mountain amusement park.
Split into simpler sentences: Castaic, California, is an unincorporated community and census-designated place in Los Angeles County, California. It is north of Santa Clarita and a few miles from Six Flags Magic Mountain amusement park.