Kogin Chalumna
Kogin Chalumna( Xhosa   )kogi ne a Gabashin Cape,Afirka ta Kudu.Yana da kusan 78 kilomita mai tsawo,yana samuwa a mahadar kananan koguna biyu,Qugwala a Yamma da Mtyolo a Gabas.Yana shiga cikin Tekun Indiya ta wani yanki kusa da Tekun Kayser .

Yankin da aka kama shi shine 441 km  ya sanya ta zama ɗaya daga cikin mafi ƙanƙanta rafukan kogi a gabar tekun gabashin Afirka ta Kudu.Rarrabanta su ne Nyatyora,Nxwashu,Quru da Mpintso a hagu da Rode, Twecu da Tsaba a dama.Bakinsa yana wajen 45 km kudu maso yamma na Buffalo Estuary a Gabashin London. Longfin eel na Afirka (Anguilla mossambica)ya zama ruwan dare a cikin ruwansa.

Tarihi 
Yana kusa da bakin wannan kogin a cikin 1938 Kyaftin Hendrik Goosen ya kama kifi,wanda Marjorie Courtenay-Latimer ya adana.Daga baya an gano wannan kifin a matsayin nau'in coelacanth,wanda a baya an yi tunanin ya daɗe yana bacewa kuma a wancan lokacin an san shi daga bayanan burbushin halittu.Bayan binciken,sunan kogin Chalumna ya zama wani ɓangare na sunan kimiyya na nau'in, Latimeria chalumnae . 

A tarihi kogin Chalumna ya kafa iyakar arewa na tsohon bakin tekun Ciskei har zuwa ranar 27 ga Afrilu 1994 lokacin da aka dawo da dukkan yankunan siyasar zamanin wariyar launin fata zuwa Afirka ta Kudu.

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