Six Flags Magic Mountain
Six Flags Magic Mountain, formerly known and colloquially referred to as simply Magic Mountain, is a 209-acre (85 ha) amusement park located in Valencia, California, 35 miles (56 km) northwest of downtown Los Angeles. It opened on May 29, 1971, as a development of the Newhall Land and Farming Company and Sea World Inc. In 1979, Six Flags purchased the park and added "Six Flags" to the park's name.