(California)
Carnegie State Vehicular Recreation Area is a state park unit of California, U.S., providing off-roading opportunities in the Diablo Range. Located in southern Alameda and San Joaquin counties, it is one of eight state vehicular recreation areas (SVRAs) administered by the California Department of Parks and Recreation. With a diversity of terrain ranging from rolling hills to steep canyons, Carnegie has become a popular destination for off-road enthusiasts of all skill levels. (Ref: https://en.wikipedia.org/wiki/Carnegie_State_Vehicular_Recreation_Area)