Kenya and Tanzania share one of the great wildlife systems on earth. The Maasai Mara in southern Kenya and the Serengeti in northern Tanzania are two halves of a single landscape, and the animals ignore the border. That makes the pair a natural combination for 2027, and it makes timing the most important decision you will take. This guide sets out the seasons in general terms, explains how to combine the two countries, and describes what flying-doctor cover is. It is editorial, not a price list, and it is no substitute for medical or insurance advice.
One ecosystem, two countries
The Serengeti is a very large national park in northern Tanzania, and Tanzania National Parks gives its area as over 15,000 square kilometres. To the north it meets the Maasai Mara National Reserve in Kenya. Each year the wildebeest and zebra move through both, following the rains and the grass, so the question for a trip is not which park is better. It is where the herds are likely to be during your dates. If you cannot be flexible on dates, choose the country that matches the season. If you can, a trip that crosses from one to the other gives the widest range of habitats and scenes.
When to go: the migration in general terms
Tanzania's park authority describes the migration as best seen in the dry season from June to October, and the calving season in the southern Serengeti as January and February. Kenya's tourism sources and the main operators agree on the broad pattern: the herds are in the Serengeti for much of the year, move north through the western part of the park towards the Mara River around mid-year, and are in and around the Mara from about July to October, before heading back south as the short rains arrive. River crossings are usually placed between July and October, with the middle of that window often cited as the most reliable.
The important word is usually. The movement depends on rainfall and grass, not on the calendar, and herds can wait on a riverbank for days before they cross. Nobody can promise a crossing on a given morning. What you can do is choose a camp positioned for the part of the range the herds should be in, stay long enough to give yourself several chances, and accept that the quieter days have their own rewards, from big cats to elephant herds.
Kenya: the Mara and its conservancies
The Maasai Mara is open, rolling grassland with a high density of predators, which is why it is so often the first choice for a first safari. Camps sit either inside the national reserve or in the private conservancies that border it. Conservancies generally limit the number of vehicles and often allow activities such as night drives and walking that the reserve does not, so they suit travellers who want quiet. The reserve itself has the most direct access to the river. Many guests do both: a few nights in a conservancy, then a few nearer the river. Ask each camp which rules apply, because they differ.
Tanzania: the Serengeti and its regions
The Serengeti is better understood as several regions than as one park. The south of the park is where the calving season is placed, early in the year. The central area is generally regarded as the park's year-round heartland for resident wildlife. The west and north follow the migration as it moves, and the far north meets the Mara River. Camps in the Serengeti range from permanent lodges to smaller tented camps that move through the year to follow the herds. A moving camp puts you near the animals, but it has less in the way of facilities, so we say plainly what each style of camp offers.
Combining the two countries
A combined trip is simple to plan in theory and more detailed in practice. You can fly between the two on scheduled and charter flights, and there are border crossings for those who prefer a road transfer, although road journeys can be slow. Each country has its own entry rules, and both require advance attention to visas and health requirements. Check the official GOV.UK foreign travel advice for each country before you commit, and do it weeks, not days, before departure.
For length, nine to eleven nights allows three nights in each of two or three camps with transfer days in between. A shorter trip is better focused on a single country. If you are adding a beach, the coast of either country is a short flight from the parks. Our South Africa, Zambia and Madagascar safari guide covers families and malaria advice in detail, and the Africa safari guide sets the countries side by side.
Flying-doctor cover: what it is
Many safari camps are hours from a hospital by road, and some are reached only by light aircraft. Flying-doctor cover is a type of service that sends an aircraft and a medical team to an emergency in a remote place and flies the patient to a hospital. In East Africa it is commonly offered as a membership or a subscription that covers the region, with a fee-for-service route for people who are not members. Terms vary between services: the radius covered, whether a hospital stay is included, whether it applies to an emergency or to any illness, and whether return travel is part of the plan. Hospital bills are typically separate from the evacuation itself.
It is not the same as travel insurance, and it does not replace it. Insurance covers medical treatment, cancellation and baggage, and a good policy also covers evacuation. Flying-doctor cover is the operational service that gets a patient out. Ask your insurer whether evacuation is included and whether any cover requires a particular provider or a call to a helpline before you act. Ask your camp how it handles an emergency, who it calls and how long a response normally takes. We put these questions to each camp on your behalf and give you the answers in writing.
Health, malaria and paperwork
Both countries have malaria, and the right preventive medicine depends on your age, health and itinerary. See a travel-health professional at least eight weeks before departure, and check TravelHealthPro and the NHS Fit for Travel pages for current advice. Yellow fever rules can apply depending on the countries you have visited, so check the entry requirements for each. Make sure passports have enough validity and blank pages, and carry a printed copy of your insurance details.
Booking lead times
Small camps in the best positions for the river season are limited, and the July to October window is the busiest of the year. For 2027, we suggest starting the conversation in the coming months, and as early as possible if you need school holidays or a private vehicle. Flexible dates open up far more choice, and so does a willingness to visit just outside the peak.
Planning it with us
Tell us who is travelling, the month you can go, how active you want to be and whether the migration is the priority. We shape a route, check each camp's rules and emergency arrangements, and handle the flights and transfers. For long legs from Europe or the Gulf, see our private jets page. Message the concierge on WhatsApp to start.