The Gulf of Guinea.
After looking for quite a long time, it seems the Niger River outflow is the Gulf of Guinea. Hope this helped!(:
Niger River.
Yes, Niger or Nigér depending on your pronounciation is named after the River Niger
The Outflow of the Mississippi River is at St. Louis.
The Gulf of Mexico
River Niger
The answer is The Niger River
the Niger river
The Benue River joins into the Niger River -Jose(ph)
Nile River
The River Niger empties into the Gulf of Guinea :)
The Niger River