Serengeti National Park, located in the north, is Tanzania oldest National Park and UNESCO World Heritage site. Established in 1951, it is perhaps best known for the "Great Migration" of over 1.5 million white bearded Wildebeests, 250,000 plains zebra and thousands of Grants and Thomson gazelles.

The park covers 14,750 sq. kilometers (5,700 sq. miles ) and includes grassland plains, savanna, riverine forest, woodlands and granite formations called Kopjes. It is bordered to the North by Kenya and Maasai Mara National Reserve.

The "Great migration" is perhaps one of the most breathtaking sights in Africa, and the largest migration of terrestrial mammals in the world. The yearly circle begins in the southern Serengeti, where half a million calves are born between January and March. As the rain ends in May, the animals set off for their dry season refuge in Maasai Mara. With the beginning of the short rains in October the migration moves back to Serengeti and south, in search of water and breeding grounds. Rain drives the herds but with recent effect of climate change, the herd's location is increasingly difficult to predict.