The Goulbi de Maradi river is a river in south central Niger

Niger

Niger , officially named the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east...

 and north central Nigeria

Nigeria

Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...

. Between its source near Katsina

Katsina

Katsina is a city , and a Local Government Area in northern Nigeria, and is the capital of Katsina State. Katsina is located some 160 miles east of the city of Sokoto, and 84 miles northwest of Kano, close to the border with Niger. As of 2007, Katsina's estimated population was 459,022...

 in Nigeria, and its end in the Rima River

Rima River

The Rima River is a river in the northern part of Nigeria. At its northern most point it is joined by the Goulbi de Maradi river. It runs southwest and joins the Sokoto River near Sokoto, then continues south to the Niger River. The upper Rima is a seasonal river and flows only during the rainy...

, the Goulbi de Maradi never flows more than 30 miles from the Niger/Nigeria border. Though important for agriculture and pastoralism, and flowing through the Nigerien cities of Maradi, Guidan Roumdji, and Madarounfa

Madarounfa

-References:...

, the Goulbi de Maradi is a seasonal river and flows only during the rainy season.