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The best time to see the wildebeest migration in Tanzania is January to March for calving on the Ndutu plains, June and July for the Grumeti River crossings, and late July to October for the Mara River crossings in the northern Serengeti. Camps in the right sector book up months ahead, since the herds are only ever in one part of the park. The migration is a continuous circuit of two million wildebeest and zebra through the Serengeti ecosystem.
The mistake that ruins more migration trips than any other is booking a beautiful camp in the wrong half of the park. In February the northern Serengeti is quiet and lovely and roughly 300 kilometres from the herds. Match the month to the sector first, then pick where you sleep.
After the short rains, the herds gather on the short grass plains of the southern Serengeti and the northern Ngorongoro Conservation Area, around Ndutu. They stay through January, February and much of March.
Calving peaks in a tight window in February, when something close to half a million calves are born inside two or three weeks. Estimates of the daily rate run into the thousands. What follows is the densest predator activity of the year: lion, cheetah, hyena and jackal all working the same ground, with newborns that can stand within minutes but cannot yet outrun anything.
For a calving season safari this is the strongest window in the whole calendar, and photographers who have done the crossings often prefer it. Skies are warm and mostly clear, the plains are green and open, and vehicle numbers are a fraction of August.
By late March calving winds down and the herds begin drifting. Ndutu and the Kusini area can still be excellent early in the month.
The long rains arrive and the herds start moving north and west off the southern plains, spreading across the Seronera valley and the central Serengeti. Mating season overlaps with the move.
These are the wettest months and the quietest. Tracks turn heavy, afternoon storms are routine, and the animals scatter because water sits everywhere rather than in a few places. Finding the main columns takes a guide who has been out that week.
What you get in exchange is real. April is Tanzania’s quietest tourism month, rates fall sharply, and you can drive for an hour without meeting another vehicle. For a second or third safari, or for anyone who values space over certainty, it is a serious option rather than a consolation prize.
Central Serengeti camps work well in April and May because the herds pass through on a broad front. Wherever the columns are that week, you are usually within an hour or so of them, which is not true from Ndutu or the north in these months.
Around June the migration pushes northwest into the Western Corridor and runs into the Grumeti River, whose channels slow or block the move north. The herds build up on the southern bank, sometimes to high density, before going over.
Grumeti crossings are smaller and less theatrical than the Mara River ones later in the season, and they draw far fewer vehicles. The crocodiles here are among the largest in East Africa. For anyone who wants a river crossing without the September crowds, this is the window, and it runs roughly through July.
The dry season is opening by now. Grass shortens, the ground firms up, and general game viewing improves across the whole park.
This is the phase most people picture, and the reason the northern Serengeti has more camps than its size suggests.
From late July the leading herds reach the Mara River around Kogatende and the Lamai Wedge, at the top of the park against the Kenyan border. Crossings continue through August, September and into October, with August often the peak. Many animals cross into Kenya’s Masai Mara; a good number stay on the Tanzanian side and move back and forth across the river for weeks, which is why the north keeps delivering even when the Kenyan side is full.
One point that gets lost in the marketing: in recent seasons a large share of the herds have stayed in the northern Serengeti rather than crossing into Kenya at all, because the grazing held. The Tanzanian side is also considerably quieter at the river than the Kenyan side.
This is peak season for a migration safari. Rates are highest, the best camps sell out roughly a year ahead, and a private vehicle matters more here than anywhere else, because crossings reward waiting rather than moving on.
A herd can stand at the bank for six hours and walk away. Two days later it goes over in eleven minutes.
Those that went into Kenya cross the Mara River a second time heading south, usually in October and sometimes earlier. The route runs through the northern plains and the Lobo area, a stretch of the park that sees few visitors.
When the short rains begin, around early November, the pull south becomes decisive. Long columns move at pace through the central Serengeti toward the fresh grass on the southern plains. The herds split as they go, which makes them harder to pin down but easier to run into.
November is the most overlooked month of the whole cycle. Visitor numbers drop, the plains green up, and the migration feels fluid rather than parked at one famous river bend. By December most animals are back around Ndutu and the southeastern plains, and the circuit starts again.
What you want to see should pick the month, not the other way round.
January to March
Calving at Ndutu and the southern plains. Peak predator action, warm and mostly dry, moderate crowds. The best window for photographers and for anyone who would rather watch hunting than river banks.
April and May
Long rains, herds spread across the central Serengeti. Lowest rates and emptiest tracks of the year. Harder going underfoot and less predictable sightings, best suited to repeat safari travellers.
June and July
Grumeti crossings in the Western Corridor, then the push north. Dry season conditions with far fewer people than August. A good compromise if you want a crossing without the peak.
August to October
Mara River crossings at Kogatende and Lamai. The most dramatic phase and the busiest. Highest rates, book roughly a year ahead, and expect company at the river.
November and December
The return south through Lobo and the central Serengeti. Quiet, green, moving herds rather than static ones. Rates ease until the festive weeks.
The herds follow rain and grass. They do not follow a calendar, and nobody who has watched them for a season will pretend otherwise.
Timing can shift by days or by several weeks. An early rain keeps animals in one area longer. A failed short rains season slides the whole pattern. Crossings depend on where a particular herd happens to be standing and whether it decides to move, which is a decision made by animals rather than an itinerary.
Two practical things improve your odds more than anything else. Stay longer in one sector rather than moving nightly, because three or four nights near the river gives you multiple mornings to be in the right place. And take a private vehicle where the budget stretches, since crossings reward the guide who will sit for five hours while shared vehicles head back for lunch.
Sightings of a crossing are never certain in any month. Resident game viewing in the Serengeti is excellent year round regardless, so a trip built only on the crossing carries risk that a trip built on the park does not.
Sector matters more than star rating. Fixed lodges suit longer stays and families; seasonal mobile camps pack up and move twice a year to follow the herds, and in migration months they are usually the better bet.
From December to March, base yourself at Ndutu or the southern plains. April to June, stay central around Seronera or the Moru kopjes, within an hour or so of wherever the columns are. July to October, you want the north: Kogatende for practical river access, Lamai for a quieter and more expensive version of the same thing, or Lobo to the east for good value with a longer drive in.
Three to four nights in one sector is the working minimum, and splitting five or more nights between central and northern Serengeti gives you reliable resident game plus a real shot at the crossings.
Fitting that around flights, permits and the rest of a trip is set out in the guide to planning a luxury East African safari.
Serengeti entry for international adults is around US$70 per person per day before 18 percent VAT, so closer to US$83 in practice. Sleeping inside the park adds a concession fee of roughly US$59 to US$71 per night. If your itinerary includes the Ngorongoro Conservation Area, which covers the Ndutu calving grounds in part, budget around US$70 to US$80 per person per day, plus about US$295 per vehicle for each descent into the crater.
Value tented camps and mobile camps commonly run US$250 to US$500 per person per night full board. Mid range fixed lodges sit around US$500 to US$900. Premium camps in the northern Serengeti during crossing season range from roughly US$900 to US$1,500, with the top properties higher again. A well built private safari in the north during peak season commonly starts near US$4,800 per person for the land portion.
For predator action, fewer vehicles and lower rates, yes. Calving concentrates hundreds of thousands of animals and their hunters onto open plains where you can see everything. August gives you the river crossings, which nothing else matches for drama, at the highest prices and with the most company. Neither is wrong. They are different films.
Roughly twelve months for the northern Serengeti between July and October, since the camps closest to the Mara River are few and small. Calving season camps at Ndutu commonly fill by September of the preceding year. April, May and November can often be arranged within three or four months.
Yes, between roughly July and October, when the herds straddle the border. The direct Serengeti to Mara crossing at Bologonya has been shut since the old East African Community collapsed and remains closed to tourists, so no vehicle drives straight between the two parks. The usual workaround is a light aircraft to Migori, a road transfer through the Isebania and Sirari post for immigration, then a second flight from Tarime into the Serengeti. That connection runs in the high season windows only, roughly mid December to the end of March and July to the end of October, and needs a minimum of two passengers. Routing back through Nairobi to Kilimanjaro is less elegant and considerably more reliable, and the Masai Mara safari guide covers the Kenyan side of the same herds. Budget two sets of park fees and a separate visa for Tanzania, which sits outside the East Africa Tourist Visa.
Three to four nights minimum in the sector holding the herds, and more if you can. The park is enormous and moving camps every night burns half your game viewing time in transfers. Five or six nights split between two sectors is the shape that consistently works best.
No. Tanzania National Parks does not permit night drives inside Serengeti National Park, and off road driving is prohibited there too. Both are available in some private concessions and in parks such as Tarangire, which is worth knowing if walking or after dark game viewing matters to you.
Choosing between calving and the crossings is a personal call, and both answers are good ones. Ancient Africa Safaris is owner led and East Africa is the only region we work in, so when you tell us your dates we can say plainly where the herds are likely to be and whether the camp you have been looking at is in the right half of the park.
No pressure and no rush. Write to us when it suits, and one of us will reply in person, probably asking what you most want to watch before suggesting a month.
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