Serengeti ecosystem

The Serengeti is not one place. It's an ecosystem.

Roughly 15,000 km² across northern Tanzania, split into five zones. Each has its own gate, its own airstrip, its own peak months. Use this page to figure out which zone matches your dates, then jump to the zone for fees, lodges, and drive times.

The five zones

Where the Serengeti splits.

Each zone has its own role in the year. The migration is in only one of them at a time. Resident wildlife — lion, leopard, cheetah, elephant — sits in central Serengeti year round. The cards below pull straight from each zone's own page so editorial stays in sync.

Central zone

Seronera Central Serengeti

The beating heart of the Serengeti, renowned for its permanent water sources and massive resident big cat populations. The Seronera River Valley is Africa's premier leopard hotspot, while the surrounding golden plains and granite kopjes host sprawling lion prides and cheetahs. Offers spectacular year-round wildlife viewing, iconic savanna landscapes, and world-class dawn hot air balloon safaris.

Best: January, February, March, April, May, June, July, August, September, October, November, December

Fees, lodges, and drive times

North zone

Kogatende Northern Serengeti (Mara River)

Kogatende is where the great migration earns its legend. From July through October, more than a million wildebeest mass along the southern banks of the Mara River in the Northern Serengeti, hesitating, surging, pulling back, until some invisible signal sends the first animal plunging down the bank and the river erupts. Crocodiles rise. Dust hangs in columns. And then, as suddenly as it began, it is over, and the herds spread across the golden grass of the Lamai Wedge as if nothing happened at all. If you have ever wondered when to see the Mara River crossings in Tanzania, this is the place and this is the season. What surprises travelers most is how few of them are here. The Kenyan side of the same river draws hundreds of vehicles to a single crossing point. On the Tanzanian side, the Northern Serengeti around Kogatende remains genuinely remote, a four hour drive beyond Seronera or a short bush flight to the Kogatende airstrip, with a small collection of seasonal camps and permanent lodges scattered along the river. You may watch a crossing with three other vehicles. You may watch one entirely alone. And the north is more than the river. Between crossings the days fill with enormous resident prides, breeding herds of elephant in the Nyamalumbwa Hills, and kopjes glowing amber at sunset where leopards drape themselves over warm granite. Plan three nights minimum. Crossings do not run on schedule, and patience is the only ticket that guarantees a seat. When it happens, and it will, you will understand why people build their entire safari around this single stretch of water.

Best: July, August, September, October

Fees, lodges, and drive times

North zone

Lamai Northern Serengeti

The Lamai Wedge is the final triangle of the Serengeti, a sweep of golden grassland caught between the northern bank of the Mara River and the Kenyan border. While most travelers watch the great migration approach the river from the south, Lamai is where the herds arrive once they have crossed, and from August through October the wedge holds them in extraordinary numbers. Staying here reverses the usual safari logic: rather than chasing the migration, you wake up inside it, with wildebeest grazing past camp and the river crossings unfolding below you from the north bank. This is also the most sparsely visited corner of the entire ecosystem. A handful of small camps share the wedge, and the great granite kopjes of Wogakuria rise from the plains like islands, sheltering leopard, lion and klipspringer above seas of moving herds. Game viewing in Lamai feels possessive in the best sense. A crossing watched from the north bank often belongs to your vehicle alone, and on a full day in the wedge you may see more cats than cars. Lamai suits the traveler returning to Tanzania, or the first timer who wants the migration at its most intimate rather than its most photographed. Pair it with two nights at Kogatende on the southern bank and you cover both sides of the river story, doubling your crossing opportunities while the herds shuttle back and forth with the rains. In a season when the whole safari world points its lenses at the Mara River, Lamai is the quiet seat on the far bank, closest to where the story actually goes next.

Best: July, August, September, October

Fees, lodges, and drive times

West zone

Grumeti Western Serengeti

The Western Corridor is the Serengeti at its most cinematic. From May through July, the great wildebeest migration funnels into this narrow wedge of riverine forest and open savannah, pressing toward the Grumeti River and the ancient crocodiles that wait within it. These are some of the largest Nile crocodiles in Africa, and the crossings here are raw, unscripted theatre that few travelers ever witness, because so few travelers ever come this far west. That is the quiet privilege of Grumeti. While the central Serengeti fills with vehicles, the Western Corridor remains one of the most exclusive corners of the ecosystem, a landscape of whistling thorn, fig lined riverbanks and black and white colobus monkeys found almost nowhere else in the park. Resident game is superb in every season: big prides of lion, elephant moving through the woodlands, and the open plains of Kirawira where cheetah hunt in the long golden light of late afternoon. A Grumeti safari rewards travelers who want the migration without the crowds, and the Serengeti without the script. Stay two or three nights in a luxury tented camp along the river, wake to hippos arguing in the shallows, and let your guide read the herds each morning. Some days the river runs quiet. Some days the plains tremble. Either way, the Western Serengeti gives you the version of the migration that belongs to you alone.

Best: June, July

Fees, lodges, and drive times

South zone

Ndutu Ngorongoro Conservation

Ndutu is the secret the migration keeps from December through March. While the safari world associates the great herds with river crossings, the wildebeest spend the early months of the year on these short grass plains in the southern reaches of the ecosystem, where mineral rich volcanic soil produces the only grazing capable of sustaining half a million births. Calving peaks in February, when as many as eight thousand calves arrive in a single day, finding their legs within minutes on plains that stretch unbroken to the horizon. It is the greatest concentration of new life on earth, and most travelers have never heard of it. Where there are calves there are hunters, and Ndutu in calving season holds arguably the densest big cat action in Africa. Cheetah work the open plains in the soft morning light, lion prides shadow the herds between Lake Ndutu and Lake Masek, and the marshes hide leopard in the fig lines. Ndutu also carries a quiet structural advantage: because the area falls within the Ngorongoro Conservation Area rather than the national park, guides may drive off road to position carefully for sightings, an intimacy with hunts and newborn herds that the Serengeti proper cannot legally offer. A February safari built around Ndutu pairs naturally with the Ngorongoro Crater ninety minutes up the road, and the green season light, dramatic skies and thinner crowds make it a photographer's favorite. Base yourself in a seasonal camp among the herds for three nights and let each day follow the animals rather than a route. The crossings get the fame. Ndutu is where the entire story begins.

Best: January, February, March

Fees, lodges, and drive times

Month by month

Where the Migration is, by month.

The Great Migration is a year-round movement, not a season. The herds follow rainfall, so the question is not whether to see them — it's which zone they're in this month. Below is the typical year. Rainfall varies, so timing slides a week or two either way.

January

Ndutu →

Herds gather on the southern plains. First calves drop.

Wildebeest concentrate between Naabi Hill, Kusini, and Ndutu, grazing the calcium-rich short grass. The first calves are on the ground by mid-month.

February

Ndutu →

Peak calving. The most concentrated wildlife window of the year.

Roughly 500,000 calves born in a two- to three-week window centred on February. Predator activity at its annual peak. The best calendar window in East Africa for predator-prey viewing.

March

Ndutu and southern plains →

Calving winds down. Herds begin to drift north.

Final wave of births finishes. Heavy afternoon thunderstorms continue. Herds remain on the southern plains but start extending east and north.

April

Seronera Central Serengeti →

The trek north begins. Long rains.

As the southern grasses dry, columns move north through Moru Kopjes and the Seronera area. Some camps close for rains. Lowest pricing of the year.

May

Central and Western Serengeti →

Columns form, the rut intensifies.

Wildebeest move in kilometres-long columns toward the Western Corridor. Long rains taper off through the month. Bulls fight for harems.

June

Grumeti Western Serengeti →

Grumeti River crossings — the first major test.

Herds mass on the southern banks of the Grumeti. Far fewer vehicles per crossing than the Mara crossings later in the year. Dry season starts.

July

Kogatende Northern Serengeti →

First Mara River crossings start in the north.

Vanguard herds reach Kogatende, ready to cross the Mara. Crossings typically begin mid- to late July. Northern Serengeti camps book out six to twelve months ahead.

August

Kogatende and Lamai Northern Serengeti →

Mara River crossings in full swing.

Highest-frequency crossing month. Herds zigzag across the river in both directions. Significant concentrations on the Lamai Wedge north of the Mara.

September

Lamai and Kogatende →

Two-way river traffic. Peak photographic month.

Herds move both north into Kenya's Mara and south back into Tanzania. Tanzania-side viewing at Kogatende and Lamai is often equally strong, with quieter vehicles than the Kenyan side.

October

Lamai, Kogatende, drifting toward central →

Crossings tail off. The southerly return begins.

Tail-end herds cross the Mara south into Tanzania as short rains begin in the north. The bulk drifts toward the Lobo Valley and central Serengeti.

November

Central and eastern Serengeti →

Short rains pull the herds south.

Herds spread through Lobo and Loliondo on the eastern side, moving steadily toward the southern plains. Green landscape, sharp afternoon showers, lower pricing, fewer vehicles.

December

Central drifting to Ndutu →

Herds arrive back on the southern plains. Festive demand.

The migration spreads between Lobo in the north and Ndutu in the south. By month's end the leading edge is on the southern plains. Holiday week is peak demand even though it sits outside dry season.

How long

Suggested length of stay.

Most Serengeti-only trips work best at seven to eight nights. Less than five and you lose a day to travel for every two on the ground. More than ten gets harder to justify if you're only doing Serengeti — add Ngorongoro and Tarangire, or run on to Zanzibar.

5 to 6 nights

The basic ask

Two nights central Serengeti plus a zone aligned to your season (Ndutu, Grumeti, or northern). Enough to see the migration if it's in season and to cover the resident wildlife. No buffer for a slow morning.

7 to 8 nights

The sweet spot

Three nights in two different zones — usually central plus seasonal — with a buffer night. Most of our Serengeti-focused trips land here.

10 to 12 nights

The unrushed version

Three zones, longer stays, room to add Ngorongoro and Tarangire on the way in. Suits photographers, repeat travellers, and anyone who hates moving lodges every two days.

About the Great Migration

What people actually mean when they say "the Migration".

Roughly 1.3 million wildebeest, around 200,000 zebra, and over 400,000 Thomson's gazelle move through the Serengeti and Maasai Mara in a continuous loop. The loop is 500 to 620 miles end to end, though individual animals walk more — sometimes 1,500 miles a year — because the herds backtrack and zigzag with the rain. There is no off-season.

The herds follow rainfall. Wildebeest are thought to detect distant rain through some combination of smell, low-frequency hearing, and barometric pressure — the exact mechanism is still studied, but the behaviour is consistent: where it rains, the herds go. Fresh rain brings fresh, mineral-rich grass, and the cows need that grass to feed their calves.

From January through early March the herds are on the short-grass plains around Ndutu in the southern part of the ecosystem. The calcium- and phosphorus-rich grass there is what newborn calves need. Roughly 500,000 are born in a two- to three-week window centred on February. Predator activity in that window is the most concentrated wildlife viewing of the year, anywhere in Africa.

From July through October the herds are in the north, around the Mara River. The river runs east to west across the herds' north-south route. They cross because there is no other way to follow the rain. Crossings happen in both directions, multiple times — peaking in August and September. The crocodiles are resident; they wait.

What this means for planning: the question is not whether you'll see the Migration. The question is which zone you'll see it in. The calendar above is the answer.

Park fees

Itemised, never bundled.

All four Tanzanian Serengeti zones — Seronera, Kogatende, Lamai, Grumeti — sit inside Serengeti National Park and use the TANAPA fee schedule. Ndutu sits in the Ngorongoro Conservation Area and uses the NCAA schedule. The full itemised table for every park we work across is on the pricing page.