The Tinkisso River is a river in Guinea

Guinea

Guinea , officially the Republic of Guinea , is a country in West Africa. Formerly known as French Guinea , it is today sometimes called Guinea-Conakry to distinguish it from its neighbour Guinea-Bissau. Guinea is divided into eight administrative regions and subdivided into thirty-three prefectures...

 in west Africa. The river is sourced near Dabola in the Fouta Djallon

Fouta Djallon

Fouta Djallon is a highland region in the centre of Guinea, West Africa. The indigenous name is Fuuta-Jaloo...

 mountain range, north of Mamou

Mamou

Mamou is a city and sub prefecture in a valley of the Fouta Djallon area of Guinea. Population 76,269 .- History :It grew around the railway line from Conakry to Kankan and soon became the local administrative headquarters. Its main industry used to be until the 1990s decade meat processing, while...

 and snakes approximately north-east and then east across the plains of Guinea, until it runs into the River Niger at Siguiri

Siguiri

Siguiri is a city in northeastern Guinea on the River Niger. It is a sub-prefecture and capital of Siguiri Prefecture in the Kankan Region. Its population was estimated at 28,319 in 2008....

. The river is approximately 250 miles in length.

The river and the surrounding plains were designated a Ramsar site by the Niger Basin Authority

Niger Basin Authority

The Niger Basin Authority is an intergovernmental organisation in West Africa aiming to foster co-operation in managing and developing the resources of the basin of the River Niger...

 and the Guinean government in 2002. The river and its tributaries are the home to species of manatee

Manatee

Manatees are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows...

.