California Code, Public Resources Code - PRC § 5541.2

The Riverside County Regional Park and Open-Space District may plan, acquire, preserve, protect, and otherwise improve, extend, control, operate, and maintain open-space areas, greenbelt areas, wildlife habitat areas, and regional parks for the use and enjoyment of all the inhabitants of the district.  The district may select, designate, and acquire land, or rights in land, within or without the district, to be used and appropriated for those purposes.