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MIGRATION
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July–September · Mara River crossings

The Great
Migration.

Two million wildebeest. The Mara River crossings. Timing and camp position decide what you see.

Serengeti Great Migration
Calving Ndutu · Jan–Feb
Crossings Mara River · Jul–Oct
Kenya Masai Mara
Est. 2019 Arusha
Serengeti Great Migration
Calving Ndutu · Jan–Feb
Crossings Mara River · Jul–Oct
Kenya Masai Mara
Est. 2019 Arusha
~2MWildebeest in motion
~8,000Calves daily at peak
Jul–OctMara River season
Year-roundCircuit never stops
The greatest show on Earth

Two million animals.
One perpetual circuit.

Each year roughly two million wildebeest — with zebra and gazelle — move between the Serengeti and the Masai Mara, following rain and new grass. There is no start or finish; it is a closed loop that never fully stops.

Herds reach the southern short-grass plains around December–March for calving. By April–June they push through the central plains and Western Corridor. From about July, northern banks of the Mara River become the crossing stage — chaotic, unscripted, and impossible to guarantee on a given day.

We place camps close to where herds are active that season and keep you there long enough for real chances. Five nights in the corridor during peak crossing months is our usual minimum recommendation.

Monthly movement

The cycle,
month by month.

Where herds tend to be — and what that means for your dates.

Peak calving on the short-grass plains — thousands of calves a day at the height of the season. Predator density is extreme. A quieter alternative to river-crossing season, and many naturalists rate it as the stronger wildlife period.
Herds move north as rains green the plains. April–May brings fewer crowds and softer rates. The May rut is loud and energetic — columns of animals across open country.
Herds reach the Grumeti. Crossings here are less famous than the Mara but can be dramatic, with large Nile crocodiles. Often better value than peak northern camps in August.
The classic crossing season. Herds gather, hesitate, then commit — or don’t. Peak activity often August–September. Stay near active fords (Kogatende / Lamai area) and allow several days.
Short rains pull herds south again through central and southern Serengeti. Grass turns green; predators stay busy. December edges back toward calving grounds and the loop continues.
Where to stay

Position is everything.
Three strategies.

Camp location decides what you see more than lodge brand alone.

Jan–Mar · Calving

Ndutu & southern plains

Mobile or fixed camps near Lake Ndutu for calves and predators. Ecological drama, not river crossings — often the more rewarding wildlife week.

Jun–Jul · Grumeti

Western Corridor

Quieter migration feel, big crocs, western woodlands with resident elephant and buffalo. Strong value before peak northern rates.

Jul–Oct · Mara River

Northern Serengeti / Lamai

Camps near active crossing points. Peak season: higher rates, higher crossing odds. Plan five nights or more when possible.

Wildlife of the migration

The full cast.

Ungulates

Wildebeest, zebra, gazelle

Wildebeest drive the circuit. Zebra often move slightly ahead; gazelle fill the plains around them.

Predators

Lion, cheetah, leopard

Prey concentration pulls big cats hard — especially on calving plains and along river corridors.

Aquatic

Nile crocodile

Mara (and Grumeti) fords hold dense croc populations that feed heavily when crossings run.

Also watch for

Elephant & wild dog

Elephant hold northern woodlands year-round. Wild dog are seen more often in central areas in season.

Essential questions

What you need
to know.

Five nights in the active corridor is our usual minimum for crossing odds. Three is possible but thin. A focused Jul–Oct northern trip works well as a standalone; combining calving and crossings often means two visits or a longer Serengeti plan.
No. Crossings follow instinct and pressure, not a timetable. We place you at active fords in the highest-probability window and stay long enough for chances — we never promise a specific hour.
Often mid-morning (roughly 08:00–11:00), but crossings can happen anytime. In peak weeks, a full day at the river with a packed lunch is the smart play.
Light aircraft from Arusha or Seronera to Kogatende (about 90 minutes from Arusha). Overland from Arusha is a long day through the park — fine if you want the drive. We arrange fly-ins, transfers, and camp moves.
Neutral colours, warm layers for cool mornings, binoculars, and a long lens if you shoot (300mm+ helps at crossings). Dust cover and spare batteries matter. Many camps offer laundry — pack light. Full list comes with your booking pack.
Ready for the herds?

Tell us your
month.

Calving, Grumeti, or Mara crossings — share dates and nights. We’ll reply with camp positioning and a clear outline.

Enquire now
Phone & WhatsApp +255 755 002 886
Best time Season guide
Office Sokoine Road, Arusha
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