The Great Wildebeest Migration is a cyclical movement of wildebeests, zebras, and other herbivores between the Serengeti National Park in Tanzania and the Maasai Mara National Reserve in Kenya. This migration doesn't have a distinct start and end point but rather follows a continuous and circular route based on the availability of food, water, and weather conditions. Here's how the migration cycle generally progresses:

Serengeti Plains, Tanzania (December to March): The migration typically begins in the southern Serengeti and the Ndutu area in Tanzania. This is the calving season when wildebeests give birth to their young, and predators are abundant.

Central Serengeti, Tanzania (April to May): As the rainy season comes to an end, the herds start moving northward through the central Serengeti.

Western Serengeti, Tanzania (June to July): By June, the migration reaches the western Serengeti, and river crossings, often at the Grumeti River, can be observed during this period.

Maasai Mara Reserve, Kenya (July to October): The herds cross the border into Kenya's Maasai Mara Reserve by July or August. This is often considered the peak of the migration in terms of sheer numbers. River crossings at the Mara River are a highlight during this time.

Return to Tanzania (November): As the dry season progresses and resources in the Maasai Mara become scarcer, the herds start their journey back south into Tanzania. This marks the end of the northern leg of the migration.

The migration doesn't truly "start" or "end" in a fixed location; instead, it's a continuous cycle of movement between these two iconic East African destinations. The timing and exact locations of the migration can vary from year to year based on factors like rainfall patterns, vegetation growth, and the animals' natural instincts. It's a remarkable natural phenomenon that showcases the incredible resilience and adaptability of these animals as they navigate a challenging environment.