Granite Bay Campground at Folsom Lake State Recreation Area provides lakefront sites and RV-accessible loops that are well-suited to towable rigs. Peninsula Campground features shaded sites, easy boat access, and several pull-through spaces that simplify arrival and setup for a trailer. Beal's Point Campground offers open, scenic sites close to day-use beaches and parking areas suitable for short-term trailer parking. All three campgrounds are convenient to Granite Bay and popular choices for travelers seeking water recreation and nearby trails.