Knott's Berry Farm Buena Park is a 160-acre amusement park in Buena Park, California, owned by Cedar Fair. It was the twelfth most visited theme park in North America in 2015.[2] The park features 35 rides including roller coasters, family rides, children's rides, water rides, and historical rides,The theme park sits on the site of a former berry farm established by Walter Knott, Cordelia Knott, and their family. Beginning around 1920, the Knott family sold berries, berry preserves, and pies from a roadside stand along State Route 39