Carnegie State Vehicular Recreation Area is a premier off-highway vehicle park spanning over 1,300 acres in the hills between eastern Alameda and western San Joaquin counties, just outside Tracy, California. With approximately 80 miles of trails winding through rolling hills, dry rocky washes, and steep rugged canyons, the park caters to riders and drivers of all skill levels — from beginners on dedicated children's tracks to experienced riders tackling challenging hillclimbs. The park features a motocross track, ATV and motorcycle tracks, and a 2-acre 4x4 play area for trucks, jeeps, and side-by-sides. Campers enjoy access to showers, restrooms, picnic tables, and grills, as well as water hookups and pet-friendly grounds. Day-use ramadas and BBQ pits make it ideal for group outings. An on-site store provides parts, apparel, safety gear, food, and beverages. Free OHV safety training is available through park partnerships, making Carnegie SVRA a great destination for families and first-time riders. Located near Tracy in California's Central Valley, the park offers a rugged, adventurous atmosphere for off-road enthusiasts seeking a fully equipped base camp in Northern California.