Yes, it is indeed possible to visit national parks in Hluhluwe, South Africa overnight. Many of these parks offer accommodation, from lodges to campsites. Hluhluwe-Imfolozi Park, for example, offers a variety of accommodation options. You can participate in evening game drives, listen to the nocturnal wildlife, and experience the thrill of the nighttime wilderness. Always check with park authorities for bookings and park regulations for overnight stays.