Anthony Chabot Regional Park — Redwood Canyon Campground has trailer-accessible sites surrounded by redwoods and is a practical choice for visitors staying near Tara Hills. Mount Diablo State Park — Juniper Campground offers elevated, scenic sites that accommodate trailers and provide a quieter, more rustic campsite within reach of Tara Hills. Del Valle Regional Park — Del Valle Campground features reservoir access and trailer-friendly loops suitable for towable rigs, with reservable sites and nearby day-use facilities. Amenities and hookups vary by park, so check each campground’s listing for details on pull-through sites, electrical connections, and reservation requirements before you arrive.