Sweetwater Summit Regional Park is a water park in Bonita, California, offering fun aquatic experiences for the whole family. Visitors rate Sweetwater Summit Regional Park 4.2 out of 5 stars based on 5 reviews. Guests frequently highlight Beautiful scenery and views, Spacious campsites with privacy, Clean facilities and helpful staff as standout aspects of the experience. Modern campsites with full hook-ups, scenic trails with views of the reservoir, seasonal aquatic playground. For the best experience, plan your visit during Weekdays during non-holiday periods to avoid the busiest periods. Plan your visit during weekdays for a quieter experience, bring insect repellent, and check for any aquatic playground maintenance updates before your trip.