George J Hatfield State Recreation Area - RV Camping in Hilmar, CA

George J. Hatfield State Recreation Area is a 46.5-acre park nestled along the banks of the Merced River in Hilmar, California, in the heart of the San Joaquin Valley. Established in 1953 and named after former California Lieutenant Governor George J. Hatfield, the park offers more than a mile of scenic river frontage, making it a popular destination for outdoor enthusiasts throughout Central California. Visitors can enjoy swimming, fishing, kayaking, and wading in the Merced River, as well as hiking, birdwatching, picnicking, and geocaching. The campground accommodates both family and group campers, with group sites hosting up to 25 people. Amenities include restrooms, drinking water, and shaded picnic areas with tables. The park is pet-friendly, welcoming leashed dogs in the campground. Reservations can be made through Reserve California. Located just off Interstate 5 via the Newman exit, George J. Hatfield State Recreation Area provides easy access for travelers exploring the Central Valley region. Summer temperatures can climb to 85–100°F, making the cool Merced River a welcome retreat. Quiet hours are observed from 10 p.m. to 6 a.m., ensuring a restful overnight experience for all guests.