When land must be set aside for public beach and mountain access

In cases where adequate public access is not already provided, every subdivider or developer as a condition precedent to final approval of a subdivision or issuance of a building permit for a multiple-family development shall dedicate land for public access by right-of-way in fee or easement for pedestrian travel from a public highway or public street to the following: (1) The land below the shoreline; and (2) The mountains where there are existing facilities for hiking, hunting, fruit picking, ti leaf sliding, and other recreational purposes, and where there are existing mountain trails. This article shall apply to all subdivisions and to multiple-family development. This article shall apply to an existing multiple-family development approved before the effective date of this article when six or more units are added to the existing development. All subdivisions and multiple-family developments affecting public access, whether separated from the shoreline or mountain areas by intervening parcels, subdivisions or developments, shall be subject to this article. Upon the acceptance of the dedication of land for a right-of-way in fee or easement by the city, the city shall thereafter assume the cost of improvements for and the maintenance of the public access. )