Campgrounds near San Diego Country Estates that suit towable trailer rigs include San Vicente County Park, William Heise County Park, and Paso Picacho Campground in Cuyamaca Rancho State Park. San Vicente County Park offers lakeside camping and roomy sites with convenient day-use parking near the water. William Heise County Park features shaded, rustic sites and level pads that can accommodate trailer setups and provide easy access to nearby trails. Paso Picacho Campground has scenic oak groves, looped sites, and campground layouts with pull-through options or level spots for unhitching and making a comfortable basecamp.