Every year, the African wilderness becomes the setting of one of the most extraordinary wildlife spectacles on Earth—the Great Migration. Dubbed the greatest ‘traveling roadshow’ in the animal kingdom, this event sees over two million animals make a life-or-death journey across East Africa in search of greener pastures. From the southern Serengeti in Tanzania to the expansive plains of Kenya’s Masai Mara, this epic migration is not only one of the Seven Wonders of the Natural World—it’s an experience every safari lover must witness at least once in their lifetime.
Cycle of Survival
The rains and the promise of fresh grazing lands drive the migration. Over 1.5 million wildebeest, 400,000 zebras, 12,000 elands, and 300,000 Grant’s and Thomson’s gazelles travel clockwise in a giant circular route across the Serengeti-Mara ecosystem, covering more than 800 kilometers. While the majority of their time is spent in Tanzania, it’s the months spent in Kenya’s Masai Mara—between July and October—that offer some of the most iconic and dramatic moments of the journey.
As the herds make their way into the Mara, they face numerous challenges. Predators like lions, cheetahs, and hyenas lie in wait, taking full advantage of the massive numbers of prey that flood into their hunting grounds. But it’s the Mara River crossing that captures the most attention. Here, more than 3,000 crocodiles lurk in the murky waters, ready to strike as wildebeest and zebras leap blindly from the riverbanks. Watching the chaos unfold—animals charging into the current, struggling against both water and predator—is a once-in-a-lifetime sight.
Despite the dangers, those who survive the river crossing are rewarded with the bounty of the Masai Mara plains. For a few weeks, life is good. The animals graze, rest, and regain strength. But as soon as the rains shift again and the grasses are exhausted, the cycle begins once more. By October, the herds begin their journey back south toward the Serengeti.
When To Visit
Generally, the best time to witness the migration in the Masai Mara is from July through October, although exact timings can vary depending on rainfall and weather patterns. July often marks the beginning of the Mara River crossings as the herds leave the dry Serengeti plains. August is when most of the migration has reached Kenya, and predators become increasingly active. September offers a period of relative peace, with the herds spread out across the reserve enjoying the lush plains. By October, the first rains return to the south, prompting the animals to move once again toward Tanzania.
Where to Witness the Wildebeest Migration
Key locations to witness this incredible event include the Masai Mara National Reserve, especially the Mara River region during the peak crossing months of July to September. The Ngong Hills offer sweeping landscape views, and Lake Nakuru National Park provides sightings of wildebeests as they search for grazing lands. It’s important to check with local park authorities or your safari operator for updates on migration activity before traveling.
Beyond the Safari
The wildebeest migration is not just a story of animals on the move—it’s a cornerstone of the savanna ecosystem. Wildebeests, with their muscular builds, shaggy manes, and distinctive horns, help maintain the health of grasslands and support entire predator populations. Their movement keeps the ecosystem in balance, and their presence draws photographers, filmmakers, and wildlife enthusiasts from across the globe.
A safari during this period offers more than just wildlife viewing. It’s a chance to engage with local Maasai communities, learn about their traditions, taste local cuisine, and understand how deeply connected the people are to the land and animals. Guided experiences provide rich cultural insight alongside unforgettable natural encounters.
In short, the 2025 Great Migration is not to be missed. Whether it’s your first safari or your fifth, nothing compares to the raw power, beauty, and drama of millions of animals on the move across one of Africa’s most iconic landscapes. It’s nature in its purest form—and Kenya is calling you to witness it.
The Great Migration only happens once a year; make 2025 your year to witness it. Discover where to stay, when to go, and how to make the most of this once-in-a-lifetime event at VisitNairobiKenya.com. Your journey to the wild starts here.