Santee Lakes Recreation Preserve is a top pick near Lemon Grove with RV sites, full hookups, and spacious pull-through spots suitable for larger rigs. Kumeyaay Lake Campground inside Mission Trails Regional Park provides shaded campsites, proximity to trailheads, and easy vehicle access for unloading toys before exploring. Lake Morena County Park offers lakefront campsites with hookups and roomy sites that can accommodate towable setups seeking a scenic setting. Together, these campgrounds provide reliable hookups, pull-through convenience, and straightforward access for visitors with a toy hauler.