Qualla: Okavango River

Okavango River: Introduction

Tue, 24 Mar 2026 00:00:00 GMT

Photo credit Zairon, CC BY-SA 4.0. Most rivers end at the sea. The Okavango ends in sand. Rising in the Angolan highlands -- where it goes by the name Cubango -- this 1,600-kilometre waterway flows southeast through Namibia (where it becomes the Kavango) and into Botswana, where it does something no major river is supposed to do: it simply spreads out across the Kalahari Desert and disappears. The result is the Okavango Delta, one of the largest inland deltas on Earth and a wildlife spectacle that exists only because a river chose the desert over the ocean.

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Image: Zairon | CC BY-SA 4.0

Okavango River: The Slow Flood

Tue, 24 Mar 2026 00:00:00 GMT

Photo credit Tfernandu, CC BY-SA 4.0. Angola receives three times more rainfall than Botswana in the wet season, and the surplus pours into the Okavango system every January. But the flood is patient. It takes a full month to travel the first 1,000 kilometres of river channel, then another four months to filter throu...

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Image: Tfernandu | CC BY-SA 4.0

Okavango River: A Landscape Measured in Millimetres

Tue, 24 Mar 2026 00:00:00 GMT

Photo credit jamiecatherine, CC BY-SA 4.0. The Okavango Delta is astonishingly flat. Take a cross section at its widest point and the height variation across those 150 kilometres is less than two metres. In a landscape this level, a minor sand deposit can redirect an entire channel, sending water flowing where dry land st...

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Image: jamiecatherine | CC BY-SA 4.0

Okavango River: Deep Time and Ancient Lakes

Tue, 24 Mar 2026 00:00:00 GMT

Photo credit Tfernandu, CC BY-SA 4.0. During colder periods in Earth's history, the Kalahari held a massive body of water called Lake Makgadikgadi, and the Okavango was one of its principal tributaries. That lake is long gone, but its ghost persists in the Makgadikgadi Pans -- vast salt flats that still receive seaso...

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Image: Tfernandu | CC BY-SA 4.0

Okavango River: Three Nations, One River

Tue, 24 Mar 2026 00:00:00 GMT

Photo credit No machine-readable author provided. Bries assumed (based on copyright claims)., CC BY-SA 3.0. The Okavango flows through Angola, Namibia, and Botswana, and all three nations need its water. Namibia has built a 300-kilometre canal and proposed a 250-kilometre pipeline to divert flow from the river to relieve drought. Botswana counters that 97 percent of the river's water i...

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Image: No machine-readable author provided. Bries assumed (based on copyright claims). | CC BY-SA 3.0

Okavango River: Moremi and the Living Delta

Tue, 24 Mar 2026 00:00:00 GMT

Photo credit Hp.Baumeler, CC BY-SA 4.0. Botswana's Moremi Game Reserve occupies the eastern portion of the delta, protecting a landscape where channels, lagoons, and islands shift with the seasons. Before the river drops into Botswana, it passes over Popa Falls -- a series of rapids visible when water levels are low du...

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Image: Hp.Baumeler | CC BY-SA 4.0