Mara River Crossing
tanzania
Mara River Crossing

Last updated 05 September 2024

05 September 2024 Tour, Expert

Mara River Crossing

Mara River Crossing

The Mara River crossing is one of the most dramatic and perilous events in the Great Migration, where over 1.5 million wildebeest, along with zebras and other animals, attempt to cross the Mara River from Tanzania into Kenya. This event typically occurs between late July and early October, with July and August being the peak months for crossings. The timing of these crossings can vary slightly each year depending on rainfall patterns, which influence the availability of grazing pastures.

Why Do Wildebeest Cross?


The primary reason for the wildebeest migration, including the river crossing, is to find fresh grazing grounds and water sources. As they follow the rains across the Serengeti ecosystem, they instinctively know that where there is rain, new grass will soon grow. This cyclical movement leads them to cross rivers like the Mara in search of better feeding opportunities.

The Crossing Process

When wildebeest reach the Mara River, they often gather along its banks in large numbers. The crossing itself can take hours or even days as they wait for one brave individual to take the first step into the water. Once one animal jumps in, it triggers a mass movement as others follow suit. However, this journey is fraught with danger; crocodiles lurk beneath the surface waiting to ambush unsuspecting wildebeest while lions and other predators lie in wait on the opposite bank.

The river’s currents can be strong and unpredictable, making navigation challenging for these animals. Many wildebeest face risks such as drowning or injury from falling steep banks during their frantic attempts to cross.

Viewing Opportunities

For those wishing to witness this spectacular event, both sides of the Mara River offer different experiences. The northern bank (in Kenya) tends to be more popular due to the accessibility and visibility of crossings during peak seasons. However, staying on either side provides unique perspectives on this natural phenomenon.

Visitors are encouraged to plan their trips carefully by consulting knowledgeable guides who can provide insights into current herd movements and optimal viewing locations along the riverbanks.

Conservation Considerations


Recent climatic events have altered some traditional crossing points due to changes in river flow caused by flooding in previous years (e.g., floods in 2018 and 2020). These changes highlight ongoing conservation challenges that affect not only wildlife but also their migratory routes.

In summary, witnessing a Mara River crossing is a breathtaking experience that encapsulates both the beauty and brutality of nature as millions of animals undertake this life-threatening journey each year.

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