The Best Destinations for the Great Migration

The Great Migration is the largest overland movement of mammals on Earth: well over a million wildebeest, plus hundreds of thousands of zebra and gazelle, tracing an endless clockwise loop through the Serengeti–Mara ecosystem in search of grass and water. It is the headline act of an East African safari, and for good reason — the sheer numbers, the drama of river crossings, and the concentration of predators are unlike anything else in the wild. The single biggest planning mistake travellers make is treating the migration as a place rather than a process. There is no fixed "migration park" you can simply book; the herds are somewhere in the ecosystem year-round, and where they are depends on the season. Choosing the right region for your travel dates matters far more than choosing a famous name. This guide walks through the migration month by month, names the key destinations — the southern Serengeti calving grounds, the western Grumeti, the northern Serengeti and Kenya's Masai Mara — and explains how to match your camp to the spectacle you most want to see, whether that is a river crossing or the calving season.

Key things to know

• ➜ The migration is a year-round loop, not a single event; the herds move continuously through the Serengeti–Mara ecosystem following rain and grass.
• ➜ Southern Serengeti (Ndutu) hosts the calving season roughly December to March, with hundreds of thousands of births in a few weeks.
• ➜ The western corridor and Grumeti see the herds around May to June, including the lesser-known Grumeti River crossings.
• ➜ The famous Mara River crossings happen in the northern Serengeti and Kenya's Masai Mara, roughly July to October.
• ➜ Choose your region by your travel dates, not by a famous name — the herds are only in one part of the ecosystem at a time.
• ➜ River crossings are dramatic but unpredictable; you may wait days, so build in time and patience rather than expecting one on cue.
• ➜ Calving season offers guaranteed action — mass births plus intense predator activity — and is often quieter and better value than crossing season.
• ➜ Book mobile or well-placed camps early; the best locations for each season sell out a year or more ahead in peak periods.

Understanding the migration as a loop

The herds follow an endless, roughly clockwise circuit driven entirely by rainfall and the fresh grazing it brings. There is no start or finish line — the animals are calving, rutting, walking and crossing rivers at different points all year. Understanding this loop is the key to planning, because it tells you which region to be in for a given month rather than sending you chasing a single mythical location.

Broadly, the cycle runs like this: the herds gather on the mineral-rich southern short-grass plains to calve in the early year, move west and north as those plains dry out, run the gauntlet of the Grumeti and then the Mara rivers in the middle of the year, spread into the far north and Kenya's Mara around the peak dry season, and then swing back south as the short rains green the southern plains again. Exact timing shifts year to year with the rains, so treat any calendar as a guide, not a guarantee.

• ➜ Dec–Mar: calving on the southern short-grass plains near Ndutu.
• ➜ Apr–Jun: herds move through the central and western corridor toward the Grumeti.
• ➜ Jul–Oct: Mara River crossings in the northern Serengeti and Kenya's Masai Mara.
• ➜ Nov: short rains pull the herds back south to begin the cycle again.

Southern Serengeti and the calving season

From roughly December to March, the herds concentrate on the southern short-grass plains around Ndutu and the Ngorongoro Conservation Area. Drawn by mineral-rich volcanic soils and fresh grazing after the short rains, this is where the calving happens: in a window of just a few weeks, hundreds of thousands of wildebeest give birth almost simultaneously. The plains fill with wobbling newborns, and the concentration of vulnerable young draws lions, cheetahs, hyenas and jackals in extraordinary numbers.

For many travellers, calving season is the smart choice. Unlike river crossings, the action is close to guaranteed — you are watching births and predator hunts daily rather than waiting for a single dramatic event. Cheetah viewing on the open plains is often exceptional, the landscapes are green and photogenic, and this green-season window is usually quieter and better value than the peak crossing months. Mobile camps that follow the herds to the Ndutu area are the classic way to base yourself here.

• ➜ Peak calving is roughly late January to February.
• ➜ Best for guaranteed predator action and open-plains cheetah viewing.
• ➜ Green, photogenic landscapes and generally lower prices than peak season.
• ➜ Use a mobile camp positioned near Ndutu for the season.

The western corridor and Grumeti

As the southern plains dry out around April and May, the herds begin their long march northwest through the central Serengeti and into the western corridor. This is a quieter, less crowded phase of the migration, often overlooked by first-time visitors fixated on the Mara crossings, but it offers its own rewards: massive columns of animals on the move, dramatic skies during the long rains, and the lesser-known Grumeti River crossings.

The Grumeti is a smaller river than the Mara, but its crossings can be intense, and it is home to some of Africa's largest crocodiles, which lie in wait for the herds. Timing here is roughly May into June, though as always it depends on the rains. The western corridor sees far fewer vehicles than the northern Serengeti in peak season, so travellers who prioritise a wilder, less crowded experience — and are flexible on exact dates — often find real value in this stretch of the loop.

• ➜ Herds move through roughly April to June.
• ➜ Grumeti River crossings are smaller but dramatic, with huge crocodiles.
• ➜ Far fewer vehicles than the northern Serengeti in peak season.
• ➜ Great for travellers wanting a wilder, quieter migration experience.

Northern Serengeti and the Masai Mara: river crossings

The image most people picture — thousands of wildebeest plunging down a bank into crocodile-filled water — happens on the Mara River, which winds through the northern Serengeti and Kenya's Masai Mara. Crossings occur roughly July to October, when the herds surge north in search of grazing and must repeatedly cross the river, sometimes back and forth several times as they follow the greenest grass.

Both sides of the border offer superb access. The northern Serengeti is vast and, camp for camp, less crowded than the Mara, while Kenya's Masai Mara National Reserve and its surrounding private conservancies offer some of the highest wildlife densities in Africa and, in the conservancies, off-road access and night drives. Crossings are genuinely unpredictable — herds may mass at the bank for hours and then turn away, or cross without warning — so this is a spectacle that rewards patience and several days in place, not a tightly scheduled tick-box.

• ➜ Mara River crossings run roughly July to October.
• ➜ Northern Serengeti: vast and generally less crowded than the Mara.
• ➜ Masai Mara conservancies: high densities, off-road access and night drives.
• ➜ Crossings are unpredictable — allow several days and plenty of patience.

Choosing your camp: crossings versus calving

Because the herds are only ever in one part of the ecosystem at a time, the single most important decision is matching your camp's location to your travel dates and the spectacle you want. If you dream of river crossings, base yourself in the northern Serengeti or a Mara conservancy between July and October. If you want guaranteed action, easier cheetah viewing and better value, choose the southern plains around Ndutu from December to March for calving.

Mobile tented camps, which relocate seasonally to follow the herds, are often the best way to stay close to the action, while permanent lodges make sense if you also want to combine the migration with other parks. In all cases, book early: the best-placed camps for each season fill a year or more ahead in peak periods. And whatever the season, pair realistic expectations with patience — the migration rewards travellers who give it time rather than those chasing a single perfect moment on a tight schedule.

• ➜ For crossings: northern Serengeti or a Mara conservancy, July–October.
• ➜ For calving: southern plains near Ndutu, December–March.
• ➜ Mobile camps follow the herds; permanent lodges suit multi-park trips.
• ➜ Book a year or more ahead for the best-placed camps in peak season.

References & further reading

1. Sinclair, A. R. E., et al. (Eds.) (2015). Serengeti IV. Chicago: University of Chicago Press.
2. Estes, R. D. (2012). The Behavior Guide to African Mammals. Berkeley: University of California Press.
3. Kingdon, J. (2015). The Kingdon Field Guide to African Mammals (2nd ed.). London: Bloomsbury.
4. IUCN (2024). The IUCN Red List of Threatened Species, Version 2024-1. www.iucnredlist.org.