Knott’s Scary Farm in Buena Park is scarier than ever! Clowns may be involved. This popular attraction is the largest and most haunting Halloween experience in Southern California. Explore 13 different haunted mazes if you dare! More than 1,000 scary creatures will be all over the park to startle you. Remember, we warned you about the clowns! Knott’s Scary Farm takes place from September 21–October 31. The next seasonal attraction there will be Knott’s Merry Farm.