The State Parks and Recreation Department is hereby directed to protect, to maintain and to promulgate rules governing use of the public of property that is subject to ORS 390.640, property subject to public rights or easements declared by ORS 390.610 and property abutting, adjacent or contiguous to those lands described by ORS 390.615 that is available for public use, whether such public right or easement to use is obtained by dedication, prescription, grant, state-ownership, permission of a private owner or otherwise.
ORS 390.660