Rio Group Campground is a spacious group camping facility at Silverwood Lake State Recreation Area that accommodates up to 100 people and 30 vehicles, featuring private restrooms with coin-operated showers, running water, fire rings, large canopies, and two horse stalls for equestrian use.

Located near the West Fork Mojave River area in San Bernardino County, it operates year-round at $350 per night and requires advance reservations through ReserveCalifornia. com.

The campground provides excellent amenities for large group gatherings with access to the lake's recreational opportunities including boating, fishing, and swimming.