Theme Park -Thrill Capital of the World! Six Flags Magic Mountain is a 262-acre theme park located in the Santa Clarita, California, neighborhood of Valencia, 35 miles northwest of downtown Los Angeles. A theme park is a type of amusement park that bases its structures and attractions around a central theme, often featuring multiple areas with different themes. There are presently eleven separately themed areas within the park – each zone featuring its own distinct rides, attractions, and food service venues. With over 100 Attractions and 20 Roller coasters Six Flags Magic Mountain holds the world record for most coasters in a Theme Park.