Kogin Nata ko Kogin Manzamnyama rafin ruwa ne na Kudancin Afirka. Kogi ne mai dawwama yana gudana a cikin Zimbabwe da Botswana. Yana da tsayin kilomita 330 daga tushen shi zuwa baki, kilomita 210 a Zimbabwe da 120 kilomita a Botswana. Jimlar yankin masu kamawa shine kilomita 24,585. Kogin ya samo asali ne daga Sandown (S20.425036˚, E28.180660˚), wani ƙaramin garin noma da ke kan mashigar ruwan Zimbabwe ta tsakiya kilomita 50 kudu maso yamma da Bulawayo kuma ya ƙare da Makgadikgadi Pans (S20.348816˚, E26.240166˚) a cikin Botswana. Babu wata mafita daga kwanon gishirin wanda za'a iya ɗauka azaman “matacciyar teku” ta kudu. Manyan kogunan suna cikin yankin gonar kasuwanci inda kyawawan halaye da ayyukan noma suka haifar da kogin yana fuskantar ƙarancin rashi / ƙarancin ruwa. Aukar al'ajabi ya fara faruwa kusan kilomita 65 tare da tafkin kogin wanda ya nuna farkon faɗin kilomita 90 a Zimbabwe inda kogin ya ratsa ta yankunan noma na gari. A kan wannan shimfidar ne inda aka samu damar rarar yashi na kogin kuma al'ummomi sun dogara da ruwan kogin yashi domin amfanin gida, noma da kuma dabbobin.