This article deals with Idora Park of Oakland, California. For another park of the same name, see Idora Park, Youngstown. Idora Park was a 17.5-acre (71,000 m2) Victorian era trolley park in north Oakland, California constructed in 1904 on the site of an informal park setting called Ayala Park on the north banks of Temescal Creek. Idora Park was leased by the that ran several eastern pleasure parks. What began as a pleasure ground in a rural setting for Sunday picnics evolved over time into the finest amusement park in the part of the San Francisco Bay Area. Popularity of the park declined after the advent of the automobile, and in 1929, Idora Park was razed.