Brass River Brass River The Brass River is one of the branches of the Nun River, which in turn is a branch of the Niger River, in the Niger Delta in Nigeria. In the 19th century the river was an important trading route, first for slaves and later for palm oil. Brass River Crude Oil is named for a refinery on the river. The name "Brass" is European, said to have been given to the Nembe coastal villages because they traded for brass pans and neptunes to use for salt boiling. The "Brass Ijo" were all the Ijaw people from Cape Formosa
Brass River at Yenagoa and flows south to discharge into the Gulf of Guinea. The tidal flats of the river have a reticulate drainage pattern, with higher elevation at the edges of the flats than at the center. Discharge varies depending on the season and state of the tide: An 1893 navigation guide says of the river, The mouth of the river is protected by a sand bar, which in 1893 could not be crossed by vessels with more than draft. Akassa creek, inland from the mouth of the river, provided a route from the Brass river to the Nun river for