Kogin Ka (wanda kuma aka sani da kogin Gulbin Ka)[1] kogi ne a arewacin Najeriya. Ta samo asali ne daga jihar Zamfara, tana tafiyar 250 kilometres (160mi) yamma zuwa jihar Kebbi inda ya haɗe da kogin Sokoto kimanin kilomita 100 kilometres (62mi) kudu da Birnin Kebbi, jim kadan kafin shiga kogin Neja.[2] Kogin Ka wani yanki ne na rafi a Najeriya. Kogin Ka yana kusa da kauyukan Nasarawa da Tunga Lombo.[3] Bugu da ƙari, Kogin Ka yana matsayin iyaka na gargajiya wanda ya raba harsunan rukunin rukunin Benue-Congo na Masarautar Zuru da rukunin Afro-Asiac na Gummi da Bukkuyun zuwa arewa mai nisa,. Wasu daga cikin tsoffin al’ummar Kogin Ka sun hada da Waje, Kyabu, Danko da Warri a Masarautar Zuru ta Jihar Kebbi.
Kogin Gulbin Ka rafi ne tare da lambar rubutun yanki na Afirka/ Gabas ta Tsakiya. Yanayin yanayin sa shine 11°39'0" N da 4°10'60" E a cikin DMS ko 11.65 da 4.18333. Matsayinsa na UTM shine FN28 kuma ma'anar aikin haɗin gwiwar Graphics shine NC31-03.
↑Jeje, C. Y.; Fernando, C. H. (1992). "Zooplankton
Associations in the Middle Niger-Sokoto Basin
(Nigeria: West Africa)" . Internationale Revue der
gesamten Hydrobiologie und Hydrographie . 77 (2):
237–253. doi: 10.1002/iroh.19920770206 .
ISSN 1522-2632 .