Cal. Pub. Resources Code § 5563.5
Notwithstanding Sections 5540 and 5563, the Board of Directors of the Midpeninsula Regional Open Space District may, and the Board of Directors of the East Bay Regional Park District with respect to the Alameda Creek Quarries located within the County of Alameda may, without obtaining the consent of the voters, lease real property for a term not exceeding 50 years. A lease entered into pursuant to this section shall be authorized by a resolution adopted by the affirmative votes of at least two-thirds of the members of the board, upon making an express finding that the purpose of the lease is for park or open-space purposes, or for an historic preservation, recreation, or agricultural purpose which is compatible with public use and enjoyment of the real property.
Ca. Pub. Res. Code § 5563.5