Six Flags Discovery Kingdom is a popular water park in Vallejo, California, offering 6 attractions for visitors of all ages. Looking for Six Flags Discovery Kingdom tickets, hours, and visitor reviews? You'll find everything you need below to plan your trip. Searching for a waterpark near you in Vallejo, California? Six Flags Discovery Kingdom is one of the closest local options for families and visitors looking to cool off during the warmer months. The park features 2 thrill rides, 2 family attractions, and a dedicated kids area with 2 splash features. Visitors rate Six Flags Discovery Kingdom 3.6 out of 5 stars based on 5 reviews. Guests frequently highlight Variety of rides suitable for all ages, Friendly and helpful staff, Clean and well-organized park as standout aspects of the experience. Unique combination of animal attractions and rides, family-friendly atmosphere, seasonal pass offers for multiple parks For the best experience, plan your visit during early morning or late afternoon to avoid the busiest periods. Visit on weekdays for shorter lines, stay hydrated due to heat, consider purchasing a seasonal pass for multiple visits