Charles Lee Tilden Regional Park, also known as Tilden Park or Tilden,, is a 2,079-acre regional park in the East Bay, part of the San Francisco Bay Area in California. It is between the Berkeley Hills and San Pablo Ridge. Its main entrance is near Kensington, Berkeley, and Richmond. The park is contiguous with Wildcat Canyon Regional Park. The park is managed by the East Bay Regional Park District, created from the first land the District purchased in 1936.