Ka River
Sokoto river basin, Ka river to the south
Ka River (also known as Gulbin Ka River) is a river in the northern part of Nigeria. Originating in Zamfara State, it runs some 250 kilometres (160 mi) west into Kebbi State where it joins with the Sokoto River about 100 kilometres (62 mi) south of Birnin Kebbi, shortly before joining the Niger River.