1.5 million wildebeest, one giant clockwise loop. Here's exactly where the herd typically is each month of 2026, what's happening (calving, crossings, rutting), and how to time your trip — written from our radio chatter and field logs across the past three migration cycles.
Quick answer (read this first)
The Great Migration is the year-round movement of roughly 1.5 million wildebeest and 250,000 zebra through the Serengeti–Mara ecosystem. The route is broadly clockwise — south to west to north and back — but the calendar shifts every year with the rains. As of late April 2026, the herd is moving from the southern Ndutu plains through central Serengeti toward the Western Corridor. July to October is the famous Mara River crossings window in northern Serengeti; December to March is the calving window in the south. To see the migration, pick a month, then pick the matching region — there is no "miss the migration" if you book correctly.
How the loop actually works
The herd never stops moving. They follow rainfall, which feeds the short, mineral-rich grasses they need for lactating cows and growing calves. Here's what we see year after year:
December — March: Southern Serengeti & Ndutu (calving)
The herd gathers on the short-grass plains south of Seronera, spilling into Ndutu (technically Ngorongoro Conservation Area but ecologically Serengeti). At peak — usually around mid-February — about 8,000 calves are born per day. Predators know this. Cheetah dens, lion prides, and hyenas all concentrate here. If you want predator action without long drives, this is the window. Early morning and late afternoon game drives are non-stop activity.
Field note from our Feb 2025 trip: we watched a cheetah mother teach her three cubs to hunt newborn wildebeest in a single morning at Big Marsh. That doesn't happen in October.
April — May: Central Serengeti and the green season
Long rains hit. The herd moves north-west through central Serengeti toward the Grumeti area. Tourist numbers drop hard — lodges discount 30-40%. Roads are wetter but most are still drivable in a 4x4. Birding is exceptional: the migrant flocks pass through. We do a lot of our budget Serengeti trips in May because the wildlife is still there and the prices make sense.
June: Western Corridor, Grumeti River crossings
The herd hits the Grumeti River. Crossings happen here too, just smaller and quieter than the Mara crossings. Big crocs, fewer vehicles. If you can't get to northern Serengeti in July-October, June in the Western Corridor is the secondary crossings option.
July — September: Northern Serengeti, Mara River crossings
This is what people picture when they hear "the Migration." Wildebeest stack up at the Mara River near Kogatende and Lamai, then plunge across in one of nature's most dramatic spectacles. Crossings are unpredictable — they can wait three days at the bank or cross five times in one afternoon. The trick is to base out of a tented camp in the area for at least 3 nights, not just drive in for a day. Park fees and camp rates are at their annual peak. TANAPA charges $83 per adult per 24 hours regardless of season.
October — November: Northern returning south
Short rains start. The herd begins heading south again. Crossings are still possible in early October. By late November, they're pouring back into the southern plains and the cycle restarts.
Booking lead time by month
- July–October trips: book 9–12 months ahead. Northern Serengeti tented camps fill that early.
- February calving trips: book 6 months ahead. Ndutu camps are fewer and seasonal.
- April–May trips: book 2–4 months ahead. Plenty of availability.
How long do I need?
Three nights minimum inside the Serengeti — anything shorter and you spend most of the time on transit roads. Five nights lets you cover two regions (e.g., Central + Northern). Our most-booked migration itinerary is a 7-day Northern Circuit: 1 night Tarangire, 1 night Ngorongoro, 4 nights Serengeti.
Is the migration worth it if I can't make July-October?
Yes. The migration is happening every month — it's just in different parts of the ecosystem. February calving is, in our honest opinion, the most photographically rewarding window. May has incredible value. Our Serengeti packages cover all months, and we'll tell you upfront which window suits your dates and budget best.
Frequently asked questions
When is the best month for the Great Migration?
If you want river crossings, late July through early October in northern Serengeti. If you want predator and calving action, February in the south. If you want value, May. There's no single "best" month — it depends what you want to see.
Can I see the migration from the Masai Mara side?
Yes, late July through October. Same animals, different country. Tanzania's Serengeti side is roughly 10× larger and has fewer vehicles per crossing, but the Masai Mara is closer to Nairobi for short trips. We work in Tanzania only.
How do I track where the herd is right now?
Our live migration tracker shows the current location based on guide reports across the ecosystem. We update it weekly during peak crossings season.
Do I need a 4x4 for the migration?
Yes. All Tanzania safaris use Toyota Land Cruiser 4x4s with pop-up roofs. Serengeti roads are unpaved and seasonally muddy — sedans don't make it past the gates.
How much does a migration safari cost?
July–October migration trips run roughly $3,200–$6,500 per person for 7 days mid-range, depending on lodge tier. February calving trips are similar. May and November green-season trips can drop to $2,400 per person at the low end. See our full safari cost guide.
