Tafkin Makgadikgadi (məˈkɑːdiˈkɑːdi) ya kasance wani paleolake wanda ya wanzu a inda yanzu yake Hamadar Kalahari a Botswana daga shekaru 2,000,000 BP zuwa 10,000 years BP. Wataƙila ya taɓa rufe yanki daga 80,000 zuwa 275,000 km2 (30,888 zuwa 106,178 sq mi) kuma zurfin 30m. Kogunan Okavango, Upper Zambezi, da Cuando duk sun kaɓu cikin kogin. Ana ganin burbushin sa a cikin kwanon gishirin Makgadikgadi, ɗayan manyan kwanukan gishiri a duniya. Binciken DNA ya nuna yankin tafkin shine mahaifar Homo sapiens, inda suka fara juyewa zuwa wani jinsi na daban kimanin shekaru 200,000 da suka gabata, sannan suka fadada zuwa wasu sassan Afirka kimanin shekaru 70,000 daga baya. Kimanin shekaru miliyan 3 da suka gabata, iska mai karfi ta gabas ta kafa dogayen dunes, wanda ya tashi daga gabas zuwa yamma a ƙetaren tsakiyar Hamada Kalahari. A lokacin damina, wadannan dunes suna haɗa manyan rafuka na yankin, da Okavango, Chobe, da Upper Zambezi, kudu maso gabas don haɗuwa da Kogin Limpopo kuma suna malala zuwa Tekun Indiya. Botswana ta Arewa tana da jerin layuka masu zurfin gudana a ƙarƙashin rairayinta.