A slower, more sensory way to experience the bush — tracking animal signs, learning about smaller wildlife and plant life that a vehicle drives past, led by an armed ranger for safety. Only permitted in specific parks and conservation areas, since most core national parks restrict visitors to vehicles.
Because most core parks like the Serengeti restrict visitors to vehicles, walking safaris are typically arranged in specific conservation areas and buffer zones — Arusha National Park among them — rather than as a stop inside the main game-drive circuit. It's a good way to break up a longer itinerary with something more active.