The Northern Circuit Parks, including Serengeti, Ngorongoro Crater, Lake Manyara, Tarangire, Arusha and Kilimanjarooffer some of the most exhilarating safaris in the premier wildernesses of Tanzania. They can be visited all the year round but get heaving at peak times. Millions of wildebeest, zebra and other ungulates, brave predators and swollen r