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Great Wildebeest Migration in the Serengeti

The Great Wildebeest Migration

The Great Wildebeest Migration is one of the largest land mammal migrations in the world — over a million wildebeest, alongside zebra and gazelle, moving in a continuous loop across the Serengeti ecosystem in search of fresh grazing. For many travelers, witnessing a river crossing is the single biggest reason to visit Tanzania.

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If seeing the wildebeest migration in the Serengeti is on your list, timing and location matter — the herds are constantly moving, and being in the right place at the right time is the difference between a good safari and an unforgettable one. Below, we cover:

When and where the migration moves, month by month
The quick facts worth knowing before you go
Why the exact timing shifts every year
Our real itineraries built around catching it

Quick Facts About the Great Wildebeest Migration

It's one of the largest land mammal migrations on Earth — over a million wildebeest move through the Serengeti-Mara ecosystem each year, alongside hundreds of thousands of zebra and gazelle.
Despite the name, the migrating herds aren't only wildebeest — zebra and several gazelle species travel with them, often for mutual safety.
The migration is a continuous, circular movement — there's no single "start," just a year-round loop chasing fresh grass and water.
The herds cover roughly 800-1,000 km over the course of the annual cycle.
River crossings at the Grumeti and Mara Rivers are the migration's most dramatic moments, and the reason most travelers plan a trip around it.
Exact timing shifts every year — it follows the rains, not the calendar.

Wildebeest crossing a river during the Great Migration

When and Where Is the Migration, Exactly?

Here's the honest answer: the exact timing of the migration depends on rainfall patterns each year, which makes predicting precisely where the herds will be on a given date genuinely difficult — it's not something even the wildebeest know in advance. Rainy seasons haven't always been consistent in recent years, which can shift the migration's rhythm from one year to the next.

What we can offer is the general pattern the migration has followed for decades — the month-by-month trail below — combined with current, on-the-ground updates from our own guides when you're deciding on dates. That local knowledge is a big part of why our Tanzania safaris are built the way they are.

Month by Month

The Great Migration Trail

The general pattern the herds follow every year — a real, circular route around the Serengeti-Mara ecosystem, not a fixed schedule.

Jan

Southern Serengeti / Ndutu

Calving season begins on the short-grass plains.

Feb

Southern Serengeti / Ndutu

Peak calving — thousands of calves born within weeks.

Mar

Southern Serengeti

Herds still grazing the southern plains before moving on.

Apr

Central Serengeti

The migration begins pushing north and west.

May

Western Corridor

Herds approach the Grumeti River.

Jun

Western Corridor

Grumeti River crossings begin.

Jul

Northern Serengeti

Herds press on toward the Mara River.

Now

Aug

Northern Serengeti / Mara River

The dramatic Mara River crossings begin.

Sep

Masai Mara, Kenya

Herds spread across the Mara ecosystem.

Oct

Masai Mara / N. Serengeti

The crossing back south begins.

Nov

Lobo, Northern Serengeti

Herds move south through central Serengeti.

Dec

Southern Serengeti

Back on the southern plains — the cycle begins again.

Ready to See It for Yourself?

Tell us roughly when you're hoping to travel, and we'll build an itinerary around the best chance of catching the migration at that time.

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Great Wildebeest Migration Safari Itineraries

Real itineraries built around the migration — every one fully tailor-made to your dates.

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