[2] it is the largest natural lake in Imo State, Southeastern Nigeria;[3] within the equatorial rainforest region of Niger Delta.

[3][5] The lake is situated in Oguta about 50 kilometres (30 mi) from the junction of the Ndoni and Orashi River.

[10] The Orashi River flows past Oguta Lake in its southwestern portion.

[12] The lake is important to the people of oil-rich Njaba River basin including Oguta, Orsu, Mgbidi, Nkwesi, Osemotor, Nnebukwu, Mgbele, Awa Awo-Omamma Akabo as a source of water, fish, tourism and an outlet for sewerage.

[citation needed] Oguta Lake also served as a Biafran army marine base during the Nigerian Civil War.