Kamsar is a port city in Guinea, West Africa. It is also a Sub-prefecture of Guinea. It is located on the mouth of the Río Nunez. It has a standard gauge railway line feeding bauxite from the mine at Sangarédi to the port. Population 88,222 (2008 est). Coordinates: 10°39′N 14°37′WCoordinates: 10°39′N 14°37′W Country Guinea Region Boke Region Prefecture Boké Prefecture Population (2008) • Total 88,222