Kenya’s most famous reserve (~1,510 km²) adjoining Tanzania’s Serengeti. Renowned for the annual Great Migration, where over 1.5 million wildebeest, zebras, and gazelles cross the Mara River. The reserve supports high densities of predators, including lions, cheetahs, leopards, and hyenas. Rolling savannahs, riverine forests, and acacia woodlands make it a biodiversity hotspot with over 450 bird species.